# math

posted by
**ken** on
.

diane works at a public university and contributes $625 per month in her retirement fund. the fund returns 3.84% a year, compounded monthly. how much will she have in her account after 15 years.

b. the economy gets better and the return is 7.72%. So now she contributes $1000 per month to the fund. how much will account be worth at the end of the next 15 years?