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    Chapter 6Question 6

    nput area:

    Annual savings 73,000

    # of years 8

    nterest rate on annuity 8.5%

    Output area:

    Present value 411,660.36

    Question 8

    nput area:

    Desired amount 90,000

    # of years 10

    nterest rate 6.8%

    Output area:

    Annual deposit 6,575.77

    Question 10,11

    nput area:

    Desired amount 25,000

    nterest rate 7.20%

    Cost of policy 375,000

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    Output area:

    Present value 347,222.22

    Required interest rate 6.67%

    Question 14

    nput area:

    Output area:

    Stated rate (APR) of times per yea Effective rate )First National Bank 14.2% 12 15.16%

    First United Bank 14.5% 2 15.03%

    Question 15

    nput area:

    Output area:

    Stated rate (APR) of times per yea (Effective rate )

    14.85% 365 16%

    The borrower is actually paying annualized interest of

    16% per year; not the 14.85% reported on the loan contract.

    Question 21

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    nput area:

    Monthly payment 500

    Discount rate 1.3%

    Current balance 18,000.00

    Output area:

    # of months until paid off 48.86

    Question 30

    nput area:

    Effective annual rate 17%

    # of times compounded 12

    Output area:

    APR 15.80%

    Effective rate per period 1.32%

    Question 31

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    nput area:

    nterest rate first six month 1.50%

    nterest rate thereafter 18%

    # of times compounded 12

    Balance transferred 5,000

    Output area:

    Accrued interest 508.35

    Question 37

    nput area:

    Payment today 1,000,000

    Length of payments 30

    Annual increase 5%

    Return 8%

    Output area:

    Present value of future pay 19,016,563.18

    Question 42

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    nput area:

    Number of years 30

    Price of house 240,000

    APR 6.35%

    Monthly payment 1,150

    Output area:

    Present value of payments 184,817.42

    Remaining principal 55,182.58

    Balloon payment 368,936.54

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    Chapter 6Problems 1-78

    Input boxes in tanOutput boxes in yellow

    Given data in blue

    Calculations in red

    Answers in green

    NOTE: Some functions used in these spreadsheets may require

    the "Analysis ToolPak" or "Solver Add-In" be installed in Excel

    To install these, click on the Office button

    then "Excel Options," "Add-Ins" and select

    "Go." Check "Analyis ToolPak" and"Solver Add-In," then click "OK."

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    that

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    Chapter 6Question 1

    Input area:

    Output area:

    Discount rate 10%

    Year (Cash flow )

    1 950

    2 1,040

    3 1,130

    4 1,075

    3,306.37

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    Chapter 6Question 2

    Input area:

    Discount rate 5%

    # of years for 9

    # of years for Y 6

    Payment for X 6,000

    Payment for Y 8,000

    Output area:

    Value of X 42,646.93

    Value of Y 40,605.54

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    Chapter 6Question 3

    Input area:

    Output area:

    Discount rate 8%

    Year (Cash flow )

    1 940

    2 1,090

    3 1,340

    4 1,405

    5,307.71

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    Chapter 6Question 4

    Input area:

    Payment per year 5,300

    # of years 15Required rate of retu 7%

    Output area:

    Present value 48,271.94

    PV (forever) 75,714.29

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    Chapter 6Question 5

    Input area:

    Initial investment 34,000

    Interest rate on annui 7.65%# of years 15

    Output area:

    Annuity payment 3,887.72

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    Chapter 6Question 6

    Input area:

    Annual savings 73,000

    # of years 8Interest rate on annuity 8.5%

    Output area:

    Present value 411,660.36

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    Chapter 6Question 7

    Input area:

    Annual deposit 4,000

    # of years 20Interest rate on annuit 11.2%

    Output area:

    Future value 262,781.16

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    Chapter 6Question 8

    Input area:

    Desired amount 90,000

    # of years 10Interest rate 6.8%

    Output area:

    Annual deposit 6,575.77

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    Chapter 6Question 9

    Input area:

    Desired amount 50,000

    # of years 7Interest rate 7.50%

    Output area:

    Loan payment 9,440.02

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    Chapter 6Question 10,11

    Input area:

    Desired amount 25,000

    Interest rate 7.20%

    Cost of policy 375,000

    Output area:

    Present value 347,222.22

    Required interest rate 6.67%

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    Chapter 6Question 12

    Input area:

    Output area:

    Stated rate (APR) # of times per year (Effective rate )

    8% 4 8.24%

    16% 12 17.23%

    12% 365 12.75%

    15% (Infinite ) 16.18%

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    Chapter 6Question 13

    Input area:

    Output area:

    Stated rate (APR) # of times per year (Effective rate )

    8.42% 2 8.60%

    18.20% 12 19.80%

    8.99% 52 9.40%

    15.27% (Infinite ) 16.50%

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    Chapter 6Question 14

    Input area:

    Output area:

    Stated rate (APR) # of times per year Effective rate )

    First National Ban 14.2% 12 15.16%

    First United Bank 14.5% 2 15.03%

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    Chapter 6Question 15

    Input area:

    Output area:

    Stated rate (APR) (# of times per year (Effective rate )

    14.85% 365 16%

    The borrower is actually paying annualized interest of

    16% per year; not the 14.85% reported on the loan contract.

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    Chapter 6Question 16

    Input area:

    Deposit 2,100

    # of years 17Interest rate 8.4%

    # of times compounded per ye 2

    Output area:

    Future value $8,505.93

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    Chapter 6Question 17

    Input area:

    Interest rate 9.30%

    # of times compounded per ye 365Deposit 4,500

    # of years 5

    Output area:

    Future value $7,163.64

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    Chapter 6Question 18

    Input area:

    Future value of investment 58,000

    # of years 7Discount rate 10%

    # of times compounded per ye 365

    Output area:

    Present value of investment $28,804.71

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    Chapter 6Question 19

    Input area:

    Interest rate 30%

    Compounding period 12

    Output area:

    APR 360.00%

    EAR 2229.81%

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    Chapter 6Question 20

    Input area:

    Future value of investment 68,500

    Discount rate 6.9%# of years 5

    # of times compounded per ye 12

    Output area:

    Payment 1,353.15

    Effective interest rate 7.12%

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    Chapter 6Question 22

    Input area:

    Present value 3

    Future value 4

    Output area:

    Interest rate per wee 33.33%

    APR 1733.33%

    EAR 313916515.69%

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    Chapter 6Question 23

    Input area:

    Monthly payment 1,800

    Contract price 95,000

    Output area:

    Monthly return 1.89%

    APR 22.74%

    EAR 25.26%

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    Chapter 6Question 24

    Input area:

    Monthly deposit 300

    # of times compounded per ye 12Interest rate on annuity 10%

    # of years 30

    Output area:

    Future value of annuity 678,146.38

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    Chapter 6Question 26

    Input area:

    Quarterly withdrawal 2,300

    # of times compounded per ye 4# of years 4

    Interest rate per quarter 0.65%

    Output area:

    Amount needed today 34,843.71

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    Chapter 6Question 27

    Input area:

    Output area:

    Discount rate 11%

    # of times compounde 4

    Year (Cash flow )

    1 725

    2 980

    3

    4 1,360

    $2,320.36

    EAR 11.46%

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    Chapter 6Question 28

    Input area:

    Output area:

    Discount rate 8.45%

    Year (Cash flow )

    1 1,650

    2

    3 4,200

    4 2,430

    6,570.86

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    Chapter 6Question 29

    Input area:

    Interest rate 7%

    # of years 10

    Output area:

    First Complex Bank interest rate 5.45%

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    Chapter 6Question 30

    Input area:

    Effective annual rate 17%

    # of times compounde 12

    Output area:

    APR 15.80%

    Effective rate per perio 1.32%

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    Chapter 6Question 31

    Input area:

    Interest rate first six mont 1.50%

    Interest rate thereafter 18%# of times compounded 12

    Balance transferred 5,000

    Output area:

    Accrued interest 508.35

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    Chapter 6Question 32

    Input area:

    Monthly stock investme 700

    Monthly bond investme 300Stock return 11%

    Bond return 6%

    Years to save 30

    Retirement return 9%

    Retirement years 25

    Output area:

    FV of stock account 1,963,163.82

    FV of bond account 301,354.51

    Total account FV 2,264,518.33

    Monthly withdrawal 19,003.76

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    Chapter 6Question 33

    Input area:

    Output area:

    Interest per month (# of years ) (Amount invested )(Future value )

    1.17% 1 1 $1.15

    1.17% 2 1 $1.32

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    Chapter 6Question 34

    Input area:

    Amount needed 1,000,000

    Years to save 40Return 12%

    Years to wait before beginning -

    Output area:

    Monthly deposit starting now 85.00

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    Chapter 6Question 35

    Input area:

    Present value 1

    Future value 3Number of periods 1

    Output area:

    Effective annual rate 200.00%

    Annual percentage rate 126.43%

    Quarterly return 31.61%

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    Chapter 6Question 36

    Input area:

    Amount per year in option 1 95,000

    Amount per year in option 2 70,000

    Signing bonus in option 2 45,000

    Interest rate 10%

    # of times compounded per ye 12

    Output area:

    EAR 10.47%

    Present value of option 1 163,839.09

    Present value of option 2 165,723.54

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    Chapter 6Question 37

    Input area:

    Payment today 1,000,000

    Length of payments 30

    Annual increase 5%

    Return 8%

    Output area:

    Present value of future payme 19,016,563.18

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    Chapter 6Question 38

    Input area:

    Current salary 50,000

    Percent of salary to deposit 5%

    Return 11%

    Salary increase 4%

    Deposit length 40

    Output area:

    Next year's salary 52,000

    Next year's deposit 2,600

    Present value deposits 34,399.45

    Future value of deposits 2,235,994.31

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    Chapter 6Question 39

    Input area:

    # of years 15

    Annuity payment per yea 9,000Interest rate 15%

    Output area:

    Value of investment 52,626.33

    Present value falls as rincreases, and rises as rdecreases.

    Future value rises as rincreases, and falls as rdecreases.

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    Chapter 6Question 40

    Input area:

    Monthly payment 340.00

    Interest rate 6%Future value of account 20,000

    Output area:

    Number of payments 51.69

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    Chapter 6Question 41

    Input area:

    Price of sailboat 73,000

    Monthly payment 1,450Number of months 60

    Output area:

    Monthly rate 0.594%

    APR 7.13%

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    Chapter 6Question 42

    Input area:

    Number of years 30

    Price of house 240,000APR 6.35%

    Monthly payment 1,150

    Output area:

    Present value of payments 184,817.42

    Remaining principal 55,182.58

    Balloon payment 368,936.54

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    Chapter 6Question 43

    Input area:

    PV of cash flows 6,550

    Year Cash flow1 1,700

    2 -

    3 2,100

    4 2,800

    Discount rate 10%

    Output area:

    Year (PV )

    1 1,545.45

    2 -

    3 1,577.76

    4 1,912.44

    Total 5,035.65

    PV of missing CF 1,514.35

    Value of missing C 1,832.36

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    Chapter 6Question 44

    Input area:

    First payment 1,000,000

    Annual increas 500,000

    Discount rate 9%

    Output area:

    Year (Payments ) (Present Value )

    0 1,000,000 1,000,000.00

    1 1,500,000 1,376,146.792 2,000,000 1,683,359.99

    3 2,500,000 1,930,458.70

    4 3,000,000 2,125,275.63

    5 3,500,000 2,274,759.85

    6 4,000,000 2,385,069.31

    7 4,500,000 2,461,654.10

    8 5,000,000 2,509,331.40

    9 5,500,000 2,532,352.79

    10 6,000,000 2,534,464.84

    Present value 22,812,873.40

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    Chapter 6Question 45

    Input area:

    Number of years 30

    Percentage of pruchase pric 80%Price of warehouse 2,900,000

    Monthly payment 15,000

    Output area:

    Amount of loan 2,320,000

    Interest rate per month 0.560%

    APR 6.72%

    EAR 6.93%

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    Chapter 6Question 46

    Input area:

    Selling price 165,000

    # of years until sale 4Production cost 94,000

    Discount rate 13.0%

    Output area:

    Present value of sale 101,197.59

    Profit (loss) 7,197.59

    Breakeven rate 15.10%

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    Chapter 6Question 47

    Input area:

    Annual payment 4,000

    Discount rate 10%Year of first payment 8

    Year of last payment 25

    Output area:

    PV at beginning of payments 32,805.65

    Value today 16,834.48

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    Chapter 6Question 48

    Input area:

    Monthly payment 1,500

    # of years 15

    Interest rate 1 11%

    # of years 7

    Interest rate 2 7%

    # of years 8

    Output area:

    Value today of interest rate 1 payments 87,604.36

    Value of interest rate 2 payments at rate cha 110,021.35

    Value today of interest rate 2 payments 51,120.33

    Total present value of the annuity 138,724.68

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    Chapter 6Question 49

    Input area:

    Investment A:

    # of years 15

    Monthly payment 1,200

    Interest rate 8.50%

    Investment B:

    # of years 15

    Interest rate 8%

    Output area:

    Future value of investment A 434,143.62

    Lump sum needed 130,761.55

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    Chapter 6Question 50

    Input area:

    Interest rate 6.2%

    Year to find value 7

    Amount of payment 3,500

    Year of first perpetual payment 15

    Output area:

    Present value of perpetual strea 56,451.61

    Present value at requested year 37,051.41

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    Chapter 6Question 51

    Input area:

    Quoted interest rat 16%

    Amount borrowed 25,000

    Interest per year 4,000

    Monthly payment 2,416.67

    Periods/year 12

    Output area:

    Monthly rate 2.361%

    APR 28.33%

    EAR 32.31%

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    Chapter 6Question 52

    Input area:

    # of years 5

    Amount of semiannual paymen 7,000

    # of years until first payment 8.50

    Discount rate 10%

    Compounding periods per yea 12

    Year to find present value -

    Output area:

    Semiannual interest rate 5.105%

    PV of annuity at year 8 53,776.72

    Effective annual rate 10.47%

    Present value at requested ye 24,243.67

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    Chapter 6Question 53

    Input area:

    Annual payment 10,000

    # of years 5

    Discount rate 11%

    Output area:

    a) PV of ordinary annuity 36,958.97

    PV of annuity due 41,024.46

    b) FV of ordinary annuity 62,278.01

    FV of annuity due 69,128.60

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    Chapter 6Question 54

    Input area:

    Value of lease contract 68,000

    # of months 60

    APR 7.85%

    Output area:

    Monthly payment $1,364.99

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    Chapter 6Question 55

    Input area:

    Loan amount 42,000

    Interest rate 8%

    Loan term 5

    Output area:

    Loan paymen $10,519.17

    Year Beginning balance Total payment Interest paid Principal paidEnding balanc

    1 42,000.00 10,519.17 3,360.00 7,159.17 34,840.83

    2 34,840.83 10,519.17 2,787.27 7,731.90 27,108.92

    3 27,108.92 10,519.17 2,168.71 8,350.46 18,758.47

    4 18,758.47 10,519.17 1,500.68 9,018.49 9,739.97

    5 9,739.97 10,519.17 779.20 9,739.97 0.00

    Total interest paid over life of loan = 10,595.86

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    Chapter 6Question 56

    Input area:

    Loan amount 42,000

    Interest rate 8%

    Loan term 5

    Output area:

    Loan paymen $8,400.00

    Year Beginning balance Total payment Interest paid Principal paidEnding balanc

    1 42,000.00 11,760.00 3,360.00 8,400.00 33,600.00

    2 33,600.00 11,088.00 2,688.00 8,400.00 25,200.00

    3 25,200.00 10,416.00 2,016.00 8,400.00 16,800.00

    4 16,800.00 9,744.00 1,344.00 8,400.00 8,400.00

    5 8,400.00 9,072.00 672.00 8,400.00

    Total interest paid over life of loan = 10,080.00

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    Chapter 6Question 57

    Input area:

    Years until retirement 30

    Monthly retirement income 20,000

    Years in retirement 25

    Years until cabin purchase 10

    Cabin price 380,000

    Inheritance 900,000

    Monthly savings for first years 2,500

    Pre-retirement EAR 10%

    Retirement EAR 7%

    Output area:

    Pre-retirement APR 9.57%

    Retirement APR 6.78%

    Savings value until cabin purcha 499,659.64

    Savings after cabin purchase 119,659.64

    FV of initial savings 805,010.23

    PV of retirement spending 2,885,496.45

    PV of inheritance 165,824.26

    Amount needed at retirement 3,051,320.71

    Retirement shortfall 2,246,310.48

    Savings needed per month 3,127.44

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    Chapter 6Question 58

    Input area:

    Years for lease 3

    Car price 32,000

    Payment today 99

    Monthly lease payment 450

    Loan rate 7%

    Resale price 23,000

    Output area:

    PV of lease payments 14,672.91

    PV of resale price 18,654.82

    PV of purchase 13,345.18

    You should (Buy )

    the car since the PV is lower.

    Breakeven present value 17,327.09

    Breakeven resale price $21,363.01

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    Chapter 6Question 59

    Input area:

    Year

    0 7,000,000

    1 4,500,000

    2 5,000,000

    3 6,000,000

    4 6,800,000

    5 7,900,000

    6 8,800,000

    Requested signing bonus 9,000,000

    Requested salary increase 1,400,000

    Interest rate 5.5%

    Compunding periods 365

    Output area:

    EAR 5.65%

    PV of salary offer 38,610,482.57

    PV of salary with increase 40,010,482.57

    Effective quarterly interest ra 1.384%

    Quarterly salary $1,527,463.76

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    Chapter 6Question 60

    Input area:

    Amount of loan 25,000

    # of years 1

    APR 15%

    Output area:

    Amount received 21,250.00

    EAR 17.65%

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    Chapter 6Question 61

    Input area:

    Salary for 2 years ago 47,000

    Last year's salary 50,000

    Future salary 55,000

    Years for future salary 5

    Pain and suffering 100,000

    Court costs 20,000

    EAR 8%

    Output area:

    APR 7.72%

    Value 1 year ago of salary 2

    years ago 48,699.39

    Value today of salary 2 yrs a 52,595.34

    Value today of last year's sal 51,807.86

    Value of next 5 year's salary 227,539.14

    Total value awarded 451,942.34

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    Chapter 6Question 62

    Input area:

    Amount of loan 10,000

    # of years 1

    APR 8%

    Points 3%

    Output area:

    EAR 11.34%

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    Chapter 6Question 63

    Input area:

    Amount of loan 10,000

    # of years 1

    APR 11%

    # of points 2%

    Output area:

    EAR 13.27%

    The effective rate is not affected by the loan amount,

    since it drops out when solving forR.

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    Chapter 6Question 64

    Input area:

    # of years 30

    Amount of loan 240,000

    Interest rate 6.80%

    Fees 2,300

    Output area:

    Refundable fee:

    Monthly payment 1,579.61

    Monthly interest 0.5745%

    APR 6.89%

    EAR 7.12%

    Nonrefundable fee:

    APR 6.80%

    EAR 7.02%

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    Chapter 6Question 65

    Input area:

    Amount of loan 1,000

    # of years 3

    Interest rate 14%

    Output area:

    Total repayment 1,481.54

    Monthly payment 41.15

    Monthly interest 2.30%

    APR 27.61%

    EAR 31.39%

    It's called add-on interest because the interest amount

    of the loan is added to the principal amount of the loan

    before the loan payments are calculated.

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    Chapter 6Question 66

    Input area:

    # of years until retirement 30

    Annual withdrawal 105,000

    # of years to withdraw 20

    Interest rate 7%

    Employer contribution 1,500

    Trust fund distribution 150,000

    Years until distribution 20

    Output area:

    a. Present value of withdrawals 1,112,371.50

    Annual deposit until retirement 11,776.01

    b. Present value in lump sum 146,129.04

    c. Future value of trust fund depos 295,072.70

    Total annual deposit necessary 8,652.25

    Friend's annual deposit 7,152.25

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    Chapter 6Question 67

    Input area:

    Amount of debt 10,000

    Interest rate on current card 19.8%

    Interest rate on new card 6.2%

    Planned monthly payment 200

    Transfer fee 2%

    Output area:

    # of months to pay off current car 106.50

    # of months to pay of new card 57.99

    Difference 48.51

    Amount of bill with fees 10,200

    # of months with fees 59.35

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    Chapter 6Question 68

    Input area:

    Payout at retirement 500,000

    # of years until retirement 65

    Year (Payment )

    1 900

    2 900

    3 1,000

    4 1,000

    5 1,100

    6 1,100

    Interest rate 1 12%

    # of years 6

    Interest rate 2 8%

    # of years 59

    Output area:

    YearValue at Year 6 )

    1 1,586.11

    2 1,416.17

    3 1,404.93

    4 1,254.40

    5 1,232.00

    6 1,100.00

    Total value at year 6 7,993.60

    Total value at year 65 749,452.56

    The policy is not worth buying; the FV of

    the policy is less than the payout at retirement.

    We could also compare the PV of the two

    cash flows. If we compare the PV:

    Value of deposits 4,049.81

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    Value of payment from

    insurance company 2,701.84

    Either way, we still choose the same policy.

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    Chapter 6Question 69

    Input area:

    Amount of loan 750,000

    APR 8.1%

    # of years 30

    # of years until balloon payment 8

    Output area:

    Monthly payment 5,555.61

    # of payments left after balloon payme 264

    Total amount of balloon payment 683,700.32

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    Chapter 6Question 70

    Input area:

    Annual payment 9,000

    # of years 6

    Annual payout 20,000

    # of years 4

    Output area:

    Year (Cash flow )

    1 (9,000)

    2 (9,000)

    3 (9,000)

    4 (9,000)

    5 (9,000)

    6 (9,000)

    7 20,000

    8 20,000

    9 20,000

    10 20,000

    Breakeven rate 8.07%

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    Chapter 6Question 71

    Input area:

    Plan X:

    Annual payment 20,000

    # of years (In perpetuity )

    Plan Y:

    Annual payout 28,000

    # of years 20

    Output area:

    Discount rate needed 6.46%

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    Chapter 6Question 74

    Input area:

    Years until retirement 40

    Next year's salary 40,000

    Salary growth rate 3%

    Investment return 11%

    Desired retirement value 2,000,000

    Output area:

    PV of retirement value 30,768.82

    Amount to save next year 2,591.56

    Pecentage of salary 6.48%

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    Chapter 6Question 75

    Input area:

    Weekly interest rat 7%

    # of weeks 1

    c. Loan amount 100

    Loan proceeds 68.92

    Loan payments 25.00

    Output area:

    a. APR 364.00%

    EAR 3272.53%

    b. Weekly rate 7.53%

    APR 391.40%

    EAR 4253.98%

    c. Weekly rate 16.75%

    APR 871.00%

    EAR 314215.72%