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Annuity compounded annually

  • #1
86
0
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

P=1000
r=i/n
i=4.5% or .045
n=1
t=18
m=n(t) or 18

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

I know this is incorrect because my choices are multiple choice
 

Answers and Replies

  • #2
hotvette
Homework Helper
990
3
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]
 
  • #3
86
0
Thank you very much.
 

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