sec1.4 (2).notebook February 17, 2016 - Mrs. Laura Rogers ... · sec1.4 (2).notebook 7 February 17,...

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sec1.4 (2).notebook 1 February 17, 2016

Transcript of sec1.4 (2).notebook February 17, 2016 - Mrs. Laura Rogers ... · sec1.4 (2).notebook 7 February 17,...

Page 1: sec1.4 (2).notebook February 17, 2016 - Mrs. Laura Rogers ... · sec1.4 (2).notebook 7 February 17, 2016 Jan, who is 25 years old, would like to have $100 000 in a Registered Retirement

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February 17, 2016

Page 2: sec1.4 (2).notebook February 17, 2016 - Mrs. Laura Rogers ... · sec1.4 (2).notebook 7 February 17, 2016 Jan, who is 25 years old, would like to have $100 000 in a Registered Retirement

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February 17, 2016

Roger invests $8000 at 6% interest rate, compounded semi­annually.  Estimate the doubling time of the investment

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February 17, 2016

How long

http://mackenziefinancial.com/en/pub/tools/calculators/index.shtml

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Generally speaking, pick investments with  compound interest rather than simple interest.

NOTE: Longer terms, higher interest rates and more frequent compounding results in a greater future value.

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Present Value, P,  of an investment earning compound interest can be calculated using the formula:

Section 1.4 ­ Compound Interest: Present Value

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 #1.  Eva invested in a registered education savings plan (RESP).  She would like the investment to grow to $14 000. The investment earns 6.8% interest compounded semi­annually for 10 years.

a)  How much does she need to invest now to reach her        goal?

b) How much interest will be earned?

A=

P=

r=

n=

t=

Page 7: sec1.4 (2).notebook February 17, 2016 - Mrs. Laura Rogers ... · sec1.4 (2).notebook 7 February 17, 2016 Jan, who is 25 years old, would like to have $100 000 in a Registered Retirement

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February 17, 2016

Jan, who is 25 years old, would like to have  $100 000 in a Registered Retirement Savings Plan (RRSP) at age 55 when she retires.  The RRSP pays 5% per year compounded annually.

a) How much money will she have to invest now in        order to have her desired amount?

b)  How much interest is earned?

c) How much money will she have to invest now in       order to have her desired amount, if the interest in       compounded quarterly?

A=

P=

r=

n=

t=

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February 17, 2016

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February 17, 2016

Laura has invested $15 500 in a Registered Education Savings Plan (RESP).  She wants her investment to grow to at least $50 000 by the time her newborn enters university, in 18 years.

What is the interest rate, compounded annually, will result in a future value of $50 000? Round answer to two decimal places.

A=

P=

r=

n=

t=

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February 17, 2016

Paul is planning to buy a 4­wheeler in 3 years.  He intends to spend $12 000.  He has $10 000 invest in an account that compounds interest monthly.  What is the rate of interest of this investment? Round to nearest whole number.

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February 17, 2016

Your turn:  Try it

Lawson invests $12 000 into an investment that is paid interest compounded semi annually.  Lawson wants to have $60 000 in his investment in 20 years.  What is the interest rate?  (round to one decimal written as a %)

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February 17, 2016

David has a savings account that earns interest at 2.3 %, semi­annually.  He has not made any deposits or withdrawals in the past year.  If there is $2305.40 in the account today, how much interest has the account earned in the past year?

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February 17, 2016

Homework Problems

SEE blog or homework binder for answers