Saving for his retirement 25 years from now, Jimmy Olsen set up a savings plan whereby he

Question:

Saving for his retirement 25 years from now, Jimmy Olsen set up a savings plan whereby he will deposit $25 at the end of each month for the next 15 years. Interest is 3.6% compounded monthly.
(a) How much money will be in Mr. Olsen’s account on the date of his retirement?
(b) How much will Mr. Olsen contribute?
(c) How much will be interest?