Assume you make the following investments:
a. |
You
invest a lump sum of
$7,550 forfive years at12% interest. What is the investment's value at the end offivefive years? |
b. |
In a
different account earning
1212% interest, you invest$1,510 at the end of each year forfivefive years. What is the investment's value at the end offivefive years? |
c. |
What general rule of thumb explains the difference in the investments' future values? |
a. Future Value = Present Value (1 + Periodic Interest Rate)^ Period
Future Value = 7550 * (1 + 0.12)^5
= 7550*(1.12)^5
= 7550*1.762342 = $ 13305.68
b. Future Value = Instalment * Future Value interest factor annuity
= 1510 * 6.3528 = $ 9592.728
c. Though the amount of investment made is same under both the alternatives, the difference in the future values is due to the difference in the timing of investment made. In case A, the amount is invested at one time initially, the interest accumulates on the whole amount for 5 years.While for the Case B, the amount is invested at different time periods, hence the interest amount would be low.
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