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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Standard Costs and Variances
Chapter 12
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Standard Costs
Standards are benchmarks or “norms” for measuring performance. In managerial accounting,
two types of standards are commonly used.
Quantity standards specify how much of an input should be used to
make a product or provide a service.
Price standards specify how much should be paid for each unit of the
input.
Examples: Firestone, Sears, McDonald’s, hospitals, construction and manufacturing companies.
2
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Setting Direct Material Standards
Price Standards
Final, delivered cost of materials, net of discounts.
Summarized in a Bill of Materials.
Quantity Standards
3
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Setting Direct Labor Standards
Rate Standards
Often a single rate is used that reflects the mix of wages earned.
Time Standards
Use time and motion studies for
each labor operation.
4
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Setting Variable Manufacturing Overhead Standards
Rate Standards
The rate is the variable portion of the
predetermined overhead rate.
Quantity Standards
The quantity is the activity in the
allocation base for predetermined overhead.
5
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Standard Cost Card – Variable Production Cost
A standard cost card for one unit of product might look like this:
A A x BStandard Standard StandardQuantity Price Cost
Inputs or Hours or Rate per Unit
Direct materials 3.0 lbs. 4.00$ per lb. 12.00$ Direct labor 2.5 hours 14.00 per hour 35.00 Variable mfg. overhead 2.5 hours 3.00 per hour 7.50 Total standard unit cost 54.50$
B
6
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Using Standards in Flexible Budgets
Standard costs per unit for direct materials, direct labor, and variable manufacturing overhead can be used to
compute activity and spending variances.
Spending variances become more useful by breaking them down into
price and quantity variances.
7
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
A General Model for Variance Analysis
Variance Analysis
Price Variance
Difference between actual price and standard price
Quantity Variance
Difference between actual quantity and standard quantity
8
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Price and Quantity Standards
Price and quantity standards are determined separately for two reasons:
� The purchasing manager is responsible for raw material purchase prices and the production manager is responsible for the quantity of raw material used.
� The buying and using activities occur at different times. Raw material purchases may be held in inventory for a period of time before being used in production.
9
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Variance Analysis
Materials price variance Labor rate variance VOH rate variance
Materials quantity variance Labor efficiency variance VOH efficiency variance
A General Model for Variance Analysis
Price Variance Quantity Variance
10
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Price Variance Quantity Variance
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
A General Model for Variance Analysis
11
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Price Variance Quantity Variance
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
A General Model for Variance Analysis
Actual quantity is the amount of direct materials, direct labor, and variable
manufacturing overhead actually used.
12
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Price Variance Quantity Variance
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
A General Model for Variance Analysis
Standard quantity is the standard quantity allowed for the actual output of the period.
13
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Price Variance Quantity Variance
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
A General Model for Variance Analysis
Actual price is the amount actually paid for the input used.
14
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
A General Model for Variance Analysis
Standard price is the amount that should have been paid for the input used.
Price Variance Quantity Variance
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
15
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
A General Model for Variance Analysis
(AQ × AP) – (AQ × SP) (AQ × SP) – (SQ × SP)
AQ = Actual Quantity SP = Standard Price AP = Actual Price SQ = Standard Quantity
Price Variance Quantity Variance
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
16
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Another Way to Look at the Problems: The line-by-line method
Actual Quantity x Actual Price = AQ x APPrice variance
Actual Quantity x Standard Price = AQ x SPQuantity variance
Standard Quantity x Standard Price = SQ x SPTotal Variance
SQ = (Aouput x standard quantity for production) = standard quantity allowed for the actual output
17
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Learning Objective 1
Compute the direct materials price and quantity variances and explain their
significance.
18
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Glacier Peak Outfitters has the following direct material standard for the fiberfill in its mountain
parka.
0.1 kg. of fiberfill per parka at $5.00 per kg.
Last month 210 kgs. of fiberfill were purchased and used to make 2,000 parkas. The material cost a
total of $1,029.
Material Variances – An Example
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Material Variances: The line-by-line method
AQ x AP = 210 x AP = 1,029(21) F Price variance
AQ x SP = 210 x 5 = 1,05050 U Quantity variance
SQ x SP = (2000 x 0.1) x 5 = 1,00029 U Total Variance
SQ = (Aouput x standard quantity for production) = standard quantity allowed for the actual output
Calculation of Actual Purchase Price (AP) per unit can be done but is not necessary because AP will not be used in subsequent calculations and the total actual purchase cost in total is sufficient for the variance calculation.
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
210 kgs. 210 kgs. 200 kgs. × × × $4.90 per kg. $5.00 per kg. $5.00 per kg.
= $1,029 = $1,050 = $1,000
Price variance $21 favorable
Quantity variance $50 unfavorable
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
Material Variances Summary: The tradition method
21
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
210 kgs. 210 kgs. 200 kgs. × × × $4.90 per kg. $5.00 per kg. $5.00 per kg.
= $1,029 = $1,050 = $1,000
Price variance $21 favorable
Quantity variance $50 unfavorable
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
$1,029 ÷ 210 kgs = $4.90 per kg
Material Variances Summary: The tradition method
22
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
210 kgs. 210 kgs. 200 kgs. × × × $4.90 per kg. $5.00 per kg. $5.00 per kg.
= $1,029 = $1,050 = $1,000
Price variance $21 favorable
Quantity variance $50 unfavorable
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
0.1 kg per parka × 2,000 parkas = 200 kgs
Material Variances Summary: The tradition method
23
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Material Variances: Using the Factored Equations
Materials price variance MPV = AQ (AP - SP) = 210 kgs ($4.90/kg - $5.00/kg) = 210 kgs (-$0.10/kg) = $21 F
Materials quantity variance MQV = SP (AQ - SQ) = $5.00/kg (210 kgs-(0.1 kg/parka × 2,000 parkas)) = $5.00/kg (210 kgs - 200 kgs) = $5.00/kg (10 kgs) = $50 U
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Isolation of Material Variances I need the price variance
sooner so that I can better identify purchasing problems.
You accountants just don’t understand the problems that purchasing managers have.
I’ll start computing the price variance when material is purchased rather
than when it’s used.
25
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Material Variances
Hanson purchased and used 1,700 pounds.
How are the variances computed if the amount purchased differs from
the amount used?
The price variance is computed on the entire
quantity purchased. The quantity variance is computed only on
the quantity used.
26
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Materials Quantity Variance
Production Manager
Materials Price Variance
Purchasing Manager
The standard price is used to compute the quantity variance so that the production manager is not held responsible for
the purchasing manager’s performance.
Responsibility for Material Variances
27
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Your poor scheduling sometimes requires me to
rush order material at a higher price, causing
unfavorable price variances.
I am not responsible for this unfavorable material
quantity variance. You purchased cheap material, so my people had to use more of it.
Responsibility for Material Variances
28
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson Inc. has the following direct material standard to manufacture one Zippy:
1.5 pounds per Zippy at $4.00 per pound
Last week, 1,700 pounds of material were purchased and used to make 1,000 Zippies. The
material cost a total of $6,630.
Zippy Quick Check ü
29
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Quick Check ü Zippy
Hanson’s material price variance (MPV) for the week was: a. $170 unfavorable. b. $170 favorable. c. $800 unfavorable. d. $800 favorable.
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Quick Check ü
Hanson’s material quantity variance (MQV) for the week was: a. $170 unfavorable. b. $170 favorable. c. $800 unfavorable. d. $800 favorable.
Zippy
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Quick Check ü Summary: The line-by-line method
AQ x AP = 1,700 x AP = 6,630(170) F Price variance
AQ x SP = 1,700 x 4 = 6,800800 U Quantity variance
SQ x SP = (1000 x 1.5) x 4 = 6,000630 U Total Variance
SQ = (Aouput x standard quantity for production) = standard quantity allowed for the actual output
Zippy
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
1,700 lbs. 1,700 lbs. 1,500 lbs. × × × $3.90 per lb. $4.00 per lb. $4.00 per lb.
= $6,630 = $ 6,800 = $6,000
Price variance $170 favorable
Quantity variance $800 unfavorable
Actual Quantity Actual Quantity Standard Quantity × × × Actual Price Standard Price Standard Price
Zippy Quick Check ü Summary: The traditional method
33
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson Inc. has the following material standard to manufacture one Zippy:
1.5 pounds per Zippy at $4.00 per pound
Last week, 2,800 pounds of material were purchased at a total cost of $10,920, and 1,700
pounds were used to make 1,000 Zippies.
Zippy Quick Check ü Continued
34
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Quick Check ü Continued The line-by-line method
AQp x AP = 2,800 x AP = 10,920(280) F Price variance
AQp x SP = 2,800 x 4 = 11,2004,400 U Inventory @ Std cost
AQu x SP = 1,700 x 4 = 6,800800 U Usage variance
SQ x SP = (1000 x 1.5) x 4 = 6,000 (Quantity variance)4,920 U Total Variance
AQp = Actual Quantity PurchasedAQu = Actual Quantity usedSQ = (Aouput x standard quantity for production use) = standard quantity allowed for the actual output
Zippy
35
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Actual Quantity Actual Quantity Purchased Purchased × × Actual Price Standard Price
2,800 lbs. 2,800 lbs. × × $3.90 per lb. $4.00 per lb.
= $10,920 = $11,200
Price variance $280 favorable
Price variance increases because quantity
purchased increases.
Zippy Quick Check ü Continued The traditional method
36
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Actual Quantity Used Standard Quantity × × Standard Price Standard Price
1,700 lbs. 1,500 lbs. × × $4.00 per lb. $4.00 per lb.
= $6,800 = $6,000
Quantity variance $800 unfavorable
Quantity variance is unchanged because actual and standard
quantities are unchanged.
Zippy Quick Check ü Continued The traditional method
37
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Learning Objective 2
Compute the direct labor rate and efficiency variances
and explain their significance.
38
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Glacier Peak Outfitters has the following direct labor standard for its mountain parka.
1.2 standard hours per parka at $10.00 per hour
Last month, employees actually worked 2,500 hours at a total labor cost of $26,250 to make 2,000
parkas.
Labor Variances – An Example
39
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Labor Variances
AH x AR = 2,500 x AR = 26,2501,250 U Rate variance
AH x SR = 2,500 x 10 = 25,0001,000 U Efficiency variance
SH x SR = (2000 x 1.2) x 10 = 24,0002,250 U Total Variance
AH = Actual hour paid (and worked in this case)AR = Actual rate per hourSR = Standard rate per hourSH = (Aouput x standard hours for the production) = standard hours allowed for the actual output
40
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Rate variance $1,250 unfavorable
Efficiency variance $1,000 unfavorable
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
Labor Variances Summary: The Traditional Method
2,500 hours 2,500 hours 2,400 hours × × × $10.50 per hour $10.00 per hour. $10.00 per hour
= $26,250 = $25,000 = $24,000
41
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Labor Variances Summary
2,500 hours 2,500 hours 2,400 hours × × × $10.50 per hour $10.00 per hour. $10.00 per hour
= $26,250 = $25,000 = $24,000
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
$26,250 ÷ 2,500 hours = $10.50 per hour
Rate variance $1,250 unfavorable
Efficiency variance $1,000 unfavorable
42
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Labor Variances Summary
2,500 hours 2,500 hours 2,400 hours × × × $10.50 per hour $10.00 per hour. $10.00 per hour
= $26,250 = $25,000 = $24,000
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
1.2 hours per parka × 2,000 parkas = 2,400 hours
Rate variance $1,250 unfavorable
Efficiency variance $1,000 unfavorable
43
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Labor Variances: Using the Factored Equations
Labor rate variance LRV = AH (AR - SR) = 2,500 hours ($10.50 per hour – $10.00 per hour) = 2,500 hours ($0.50 per hour) = $1,250 unfavorable
Labor efficiency variance LEV = SR (AH - SH) = $10.00 per hour (2,500 hours – 2,400 hours) = $10.00 per hour (100 hours) = $1,000 unfavorable
44
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Responsibility for Labor Variances
Production Manager
Production managers are usually held accountable
for labor variances because they can
influence the:
Mix of skill levels assigned to work tasks.
Level of employee motivation.
Quality of production supervision.
Quality of training provided to employees.
45
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
I am not responsible for the unfavorable labor
efficiency variance! You purchased cheap
material, so it took more time to process it.
I think it took more time to process the
materials because the Maintenance
Department has poorly maintained your
equipment.
Responsibility for Labor Variances
46
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson Inc. has the following direct labor standard to manufacture one Zippy:
1.5 standard hours per Zippy at $12.00 per direct labor hour
Last week, 1,550 direct labor hours were worked at a total labor cost of $18,910
to make 1,000 Zippies.
Zippy Quick Check ü
47
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson’s labor rate variance (LRV) for the week was: a. $310 unfavorable. b. $310 favorable. c. $300 unfavorable. d. $300 favorable.
Quick Check ü Zippy
48
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson’s labor efficiency variance (LEV) for the week was: a. $590 unfavorable. b. $590 favorable. c. $600 unfavorable. d. $600 favorable.
Quick Check ü Zippy
49
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Quick Check ü: Summary of the line-by-line method
AH x AR = 1,550 x AR = 18,910310 U Rate variance
AH x SR = 1,550 x 12 = 18,600600 U Efficiency variance
SH x SR = (1000 x 1.5) x 12 = 18,000910 U Total Variance
AH = Actual hour paid (and worked in this case)AR = Actual rate per hourSR = Standard rate per hourSH = (Aouput x standard hours for the production) = standard hours allowed for the actual output
50
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
Rate variance $310 unfavorable
Efficiency variance $600 unfavorable
1,550 hours 1,550 hours 1,500 hours × × × $12.20 per hour $12.00 per hour $12.00 per hour
= $18,910 = $18,600 = $18,000
Zippy
Quick Check ü: Summary of the traditional method
51
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Learning Objective 3
Compute the variable manufacturing overhead rate
and efficiency variances.
52
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Glacier Peak Outfitters has the following direct variable manufacturing overhead labor standard for its mountain
parka.
1.2 standard hours per parka at $4.00 per hour
Last month, employees actually worked 2,500 hours to make 2,000 parkas. Actual variable manufacturing
overhead for the month was $10,500.
Variable Manufacturing Overhead Variances – An Example
53
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Variable Manufacturing Overhead Variances: The line-by-line method
AH x AR = 2,500 x AR = 10,500500 U Rate variance
AH x SR = 2,500 x 4 = 10,000400 U Efficiency variance
SH x SR = (2000 x 1.2) x 4 = 9,600900 U Total Variance
AH = Actual hour paid (and worked in this case)AR = Actual rate per hourSR = Standard rate per hourSH = (Aouput x standard hours for the production) = standard hours allowed for the actual output
54
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
2,500 hours 2,500 hours 2,400 hours × × × $4.20 per hour $4.00 per hour $4.00 per hour
= $10,500 = $10,000 = $9,600
Rate variance $500 unfavorable
Efficiency variance $400 unfavorable
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
Variable Manufacturing Overhead Variances Summary: The traditional method
55
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
2,500 hours 2,500 hours 2,400 hours × × × $4.20 per hour $4.00 per hour $4.00 per hour
= $10,500 = $10,000 = $9,600
Rate variance $500 unfavorable
Efficiency variance $400 unfavorable
$10,500 ÷ 2,500 hours = $4.20 per hour
Variable Manufacturing Overhead Variances Summary: The traditional method
56
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
2,500 hours 2,500 hours 2,400 hours × × × $4.20 per hour $4.00 per hour $4.00 per hour
= $10,500 = $10,000 = $9,600
Rate variance $500 unfavorable
Efficiency variance $400 unfavorable
1.2 hours per parka × 2,000 parkas = 2,400 hours
Variable Manufacturing Overhead Variances Summary: The traditional method
57
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Variable Manufacturing Overhead Variances: Using Factored Equations
Variable manufacturing overhead rate variance VMRV = AH (AR - SR) = 2,500 hours ($4.20 per hour – $4.00 per hour) = 2,500 hours ($0.20 per hour) = $500 unfavorable
Variable manufacturing overhead efficiency variance VMEV = SR (AH - SH) = $4.00 per hour (2,500 hours – 2,400 hours) = $4.00 per hour (100 hours) = $400 unfavorable
58
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson Inc. has the following variable manufacturing overhead standard to
manufacture one Zippy:
1.5 standard hours per Zippy at $3.00 per direct labor hour
Last week, 1,550 hours were worked to make 1,000 Zippies, and $5,115 was spent for
variable manufacturing overhead.
Zippy Quick Check ü
59
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson’s rate variance (VMRV) for variable manufacturing overhead for the week was: a. $465 unfavorable. b. $400 favorable. c. $335 unfavorable. d. $300 favorable.
Quick Check ü Zippy
60
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Hanson’s efficiency variance (VMEV) for variable manufacturing overhead for the week was: a. $435 unfavorable. b. $435 favorable. c. $150 unfavorable. d. $150 favorable.
Quick Check ü Zippy
61
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Quick Check ü Summary: The line-by-line method
AH x AR = 1,550 x AR = 5,115465 U Rate variance
AH x SR = 1,550 x 3 = 4,650150 U Efficiency variance
SH x SR = (1000 x 1.5) x 3 = 4,500615 U Total Variance
AH = Actual hour paid (and worked in this case)AR = Actual rate per hourSR = Standard rate per hourSH = (Aouput x standard hours for the production) = standard hours allowed for the actual output
62
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Rate variance $465 unfavorable
Efficiency variance $150 unfavorable
1,550 hours 1,550 hours 1,500 hours × × × $3.30 per hour $3.00 per hour $3.00 per hour
= $5,115 = $4,650 = $4,500
Actual Hours Actual Hours Standard Hours × × × Actual Rate Standard Rate Standard Rate
Zippy Quick Check ü The traditional method
63
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Variance Analysis and Management by Exception
How do I know which variances to
investigate?
Larger variances, in dollar amount or as a percentage of the
standard, are investigated first.
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
A Statistical Control Chart
1 2 3 4 5 6 7 8 9 Variance Measurements
Favorable Limit
Unfavorable Limit
• • • • • • • •
•
Warning signals for investigation
Desired Value
65
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Advantages of Standard Costs
Management by exception
Advantages
Promotes economy and efficiency
Simplified bookkeeping
Enhances responsibility
accounting
66
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Potential Problems
Emphasis on negative may
impact morale.
Emphasizing standards may exclude other
important objectives.
Favorable variances may
be misinterpreted.
Continuous improvement may be more important
than meeting standards.
Standard cost reports may
not be timely.
Invalid assumptions about the relationship
between labor cost and output.
Potential Problems with Standard Costs
67
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Generalized Model of the Row by Row Approach and Its Preparation of the Performance Report
(Reconcile Actual Results to the Budgeted Figures)
Supplementary Note
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Generalized Model of the Row by Row Approach and Its Preparation of the Performance Report (Reconcile Actual Results to the Budgeted Figures)
Actual Quantity x Actual Price = AQ x APPrice variance
Actual Quantity x Standard Price = AQ x SPQuantity variance
Standard Quantity x Standard Price = SQ x SPTotal Flexible VarianceActivity Variance
Budgeted Quantity x Standard Price = BQ x SPStatic variance
SQ = (Aouput x standard quantity for production) = standard quantity allowed for the actual outputBQ = Budgeted quantity
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Performance Report for Variance Analysis: Recall Example from Chapter 11
Revenue andRevenue/Cost Planning Activity Flexible Spending Actual
Formulas Budget Variances Budget Variances Results
Number of lawns (Q) 500 550 550
Revenue ($75Q) 37,500$ 3,750$ F 41,250$ 1,750$ F 43,000$ Expenses:
Wages and salaries ($5,000 + $30Q) 20,000$ 1,500$ U 21,500$ 2,000$ U 23,500$ Gasoline and supplies ($9Q) 4,500 450 U 4,950 150 U 5,100 Equipment maintenance ($3Q) 1,500 150 U 1,650 350 F 1,300 Office and shop utilities ($1,000) 1,000 - 1,000 50 F 950 Office and shop rent ($2,000) 2,000 - 2,000 - 2,000 Equipment Depreciation ($2,500) 2,500 - 2,500 - 2,500 Insurance ($1,000) 1,000 - 1,000 200 U 1,200
Total expenses 32,500 2,100 U 34,600 1,950 U 36,550 Net operating income 5,000$ 1,650$ F 6,650$ 200$ U 6,450$
Larry's Lawn Service
For the Month Ended June 30Flexible Budget Performance Report
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© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Predetermined Overhead Rates and Overhead Analysis in a Standard Costing System
Appendix 12A
© 2015 McGraw-‐Hill Educa4on Garrison, Noreen, Brewer, Cheng & Yuen
Learning Objective 4
(Appendix 12A)
Compute and interpret the fixed overhead budget and
volume variances.
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Fixed Manufacturing Overhead Variances: The line-by-line method
Actual Fixed OverheadBudget variance
Budgeted Fixed Overhead = BH x SR (Spending variance)
Volume varianceApplied Fixed Overhead = SH x SR
Total VarianceBH = Budgeted hours (a.k.a. Denominator hours)SH = (Aouput x standard hours for the production) = standard hours allowed for the actual output
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Budget variance
Fixed Overhead Budget Variance: The traditional method
Actual Fixed
Overhead
Fixed Overhead Applied
Budgeted Fixed
Overhead
Budget variance
Budgeted fixed
overhead
Actual fixed
overhead = –
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Volume variance
Fixed Overhead Volume Variance: The traditional method
Actual Fixed
Overhead
Fixed Overhead Applied
Budgeted Fixed
Overhead
Volume variance
Fixed overhead applied to
work in process
Budgeted fixed
overhead = –
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FPOHR = Fixed portion of the predetermined overhead rate DH = Denominator hours SH = Standard hours allowed for actual output
SH × FR DH × FR
Fixed Overhead Volume Variance: The traditional method
Actual Fixed
Overhead
Fixed Overhead Applied
Budgeted Fixed
Overhead
Volume variance FPOHR × (DH – SH) =
Volume variance
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Computing Fixed Overhead Variances
Budgeted production 30,000 units Standard machine-hour per unit 3 hours Budgeted machine-hour 90,000 hours Actual production 28,000 units Standard machine-hour allowed for the actual production 84,000 hours Actual machine-hour 88,000 hours
Production and Machine-Hour DataColaCo
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Computing Fixed Overhead Variances
Budgeted variable manufacturing overhead 90,000$ Budgeted fixed manufacturing overhead 270,000 Total budgeted manufacturing overhead 360,000$
Actual variable manufacturing overhead 100,000$ Actual fixed manufacturing overhead 280,000 Total actual manufacturing overhead 380,000$
ColaCoCost Data
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Predetermined Overhead Rates
Predetermined overhead rate
Estimated total manufacturing overhead cost Estimated total amount of the allocation base =
Predetermined overhead rate
$360,000 90,000 Machine-hour =
Predetermined overhead rate = $4.00 per machine-hour
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Predetermined Overhead Rates
Variable component of the predetermined overhead rate
$90,000 90,000 Machine-hour =
Variable component of the predetermined overhead rate = $1.00 per machine-hour
Fixed component of the predetermined overhead rate
$270,000 90,000 Machine-hour =
Fixed component of the predetermined overhead rate = $3.00 per machine-hour
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Applying Manufacturing Overhead
Overhead applied
Predetermined overhead rate
Standard hours allowed for the actual output = ×
Overhead applied
$4.00 per machine-hour 84,000 machine-hour = ×
Overhead applied $336,000 =
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Fixed Manufacturing Overhead Variances The line-by-line method
Actual = = 280,00010,000 U Budget variance
Budgeted = = 270,00018,000 U Volume variance
SH x SR = (28000 x 3) x 3 = 252,00028,000 U Total Underapplied overhead
SH = (Aouput x standard hours for the production) = standard hours allowed for the actual output
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Computing the Budget Variance: The traditional method
Budget variance
Budgeted fixed
overhead
Actual fixed
overhead = –
Budget variance = $280,000 – $270,000
Budget variance = $10,000 Unfavorable
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Computing the Volume Variance: The traditional method
Volume variance
Fixed overhead applied to
work in process
Budgeted fixed
overhead = –
Volume variance = $18,000 Unfavorable
Volume variance = $270,000 – $3.00 per
machine-hour ( × $84,000 machine-hour )
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Computing the Volume Variance: The traditional method
FPOHR = Fixed portion of the predetermined overhead rate DH = Denominator hours SH = Standard hours allowed for actual output
Volume variance FPOHR × (DH – SH) =
Volume variance = $3.00 per
machine-hour ( × 90,000 machine-hour
– 84,000 machine-hour )
Volume variance = 18,000 Unfavorable
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A Pictorial View of the Variances
Actual Fixed
Overhead
Fixed Overhead Applied to
Work in Process
Budgeted Fixed
Overhead 252,000 270,000 280,000
Total variance, $28,000 unfavorable
Budget variance, $10,000 unfavorable
Volume variance, $18,000 unfavorable
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Fixed Overhead Variances – A Graphic Approach
Let’s look at a graph showing fixed overhead
variances. We will use ColaCo’s
numbers from the previous example.
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Graphic Analysis of Fixed Overhead Variances
Machine-hours (000)
Budget $270,000
90
Denominator hours
0 0
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Graphic Analysis of Fixed Overhead Variances
Actual $280,000
Machine-hours (000)
Budget $270,000
90
Denominator hours
0 0
Budget Variance 10,000 U {
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Actual $280,000
Applied $252,000
Machine-hours (000)
Budget $270,000
Graphic Analysis of Fixed Overhead Variances
90 84 0 0
Standard hours
Denominator hours
Budget Variance 10,000 U
Volume Variance 18,000 U
{ {
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Reconciling Overhead Variances and Underapplied or Overapplied Overhead
In a standard cost system:
Unfavorable variances are equivalent
to underapplied overhead.
Favorable variances are equivalent to overapplied overhead.
The sum of the overhead variances equals the under- or overapplied
overhead cost for the period. 91
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Reconciling Overhead Variances and Underapplied or Overapplied Overhead
Predetermined overhead rate (a) 4.00$ per machine-hour Standard hours allowed for the actual output (b) 84,000 machine hours Manufacturing overhead applied (a) × (b) 336,000$ Actual manufacturing overhead 380,000$ Manufacturing overhead underapplied or overapplied 44,000$ underapplied
Computation of Underapplied OverheadColaCo
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Variable Overhead Variances: The line-by-line method
AH x AR = = 100,00012,000 U Rate variance
AH x SR = 88,000 x 1 = 88,0004,000 U Efficiency variance
SH x SR = 84,000 x 1 = 84,000(= 28,000 x 3) 16,000 U Total Variance
SR = Standard rate per hour = Total underappliedSH = (Aouput x standard hours for the production) variable overhead = standard hours allowed for the actual output
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Computing the Variable Overhead Variances: The factored equation method
Variable manufacturing overhead rate variance VMRV = (AH × AR) – (AH × SR) = $100,000 – (88,000 hours × $1.00 per hour) = $12,000 unfavorable
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Computing the Variable Overhead Variances The traditional method
Variable manufacturing overhead efficiency variance VMEV = (AH × SR) – (SH × SR) = $88,000 – (84,000 hours × $1.00 per hour) = $4,000 unfavorable
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Computing the Sum of All Variances
Variable overhead rate variance 12,000$ U Variable overhead efficiency variance 4,000 U Fixed overhead budget variance 10,000 U Fixed overhead volume variance 18,000 U Total of the overhead variances 44,000$ U
Computing the Sum of All variancesColaCo
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Journal Entries to Record Variances Appendix 12B
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Learning Objective 5
(Appendix 12B)
Prepare journal entries to record standard costs and variances.
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Appendix 12B Journal Entries to Record Variances
We will use information from the Glacier Peak Outfitters example presented earlier in the chapter to illustrate journal
entries for standard cost variances. Recall the following:
Material
AQ × AP = $1,029 AQ × SP = $1,050 SQ × SP = $1,000 MPV = $21 F MQV = $50 U
Labor
AH × AR = $26,250 AH × SR = $25,000 SH × SR = $24,000 LRV = $1,250 U LEV = $1,000 U
Now, let’s prepare the entries to record the labor and material variances.
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GENERAL JOURNAL Page 4
Date DescriptionPost. Ref. Debit Credit
Raw Materials 1,050 Materials Price Variance 21 Accounts Payable 1,029
To record the purchase of material
Work in Process 1,000 Materials Quantity Variance 50 Raw Materials 1,050 To record the use of material
Appendix 12B Recording Material Variances
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GENERAL JOURNAL Page 4
Date DescriptionPost. Ref. Debit Credit
Work in Process 24,000 Labor Rate Variance 1,250 Labor Efficiency Variance 1,000
Wages Payable 26,250 To record direct labor
Appendix 12B Recording Labor Variances
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Cost Flows in a Standard Cost System
Inventories are recorded at standard cost. Variances are recorded as follows:
w Favorable variances are credits, representing savings in production costs.
w Unfavorable variances are debits, representing excess production costs.
Standard cost variances are usually closed out to cost of goods sold. w Unfavorable variances increase cost of goods sold. w Favorable variances decrease cost of goods sold.
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End of Chapter 12
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