Annuity compounded annually

by TonyC
Tags: annually, annuity, compounded
TonyC is offline
Sep28-05, 07:24 AM
P: 86
I am having trouble with the following problem:
What will be the value of an annuity in today's dollars if $1000 is to be deposited for 18 years into an account paying 4.5% interest compounded annually?

I used the following formula (I'm guessing I've figured something incorrectly)

A= P[(1 + r)^m - 1]/r

i=4.5% or .045
m=n(t) or 18

1000[1 + .045)^18 - 1/.045

I know this is incorrect because my choices are multiple choice
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hotvette is offline
Sep28-05, 03:22 PM
HW Helper
P: 930
There are a couple of possibilities. One, your last equation either has a typo or you did it wrong:

1000[1 + .045)^18 - 1/.045 ==> should be [tex]\frac{1000[(1 + .045)^{18} - 1]}{.045}[/tex]

The second is that it's not an annuity problem but rather a simple compound interest problem [tex]FV = PV(1+r)^m[/tex]
TonyC is offline
Sep29-05, 12:43 AM
P: 86
Thank you very much.

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