You would like to save up to put a down payment on a new home. You plan to deposit $$600$ every three months into an account that pays $2\mathrm{.}8\%$ compounded quarterly. How many years will it take for you to save $$20,000?$ Round your answer to $1$ decimal place.

a

In order to accumulate enough money for a down payment on a house, a couple deposits $$399$ per month into an account paying $3\%$ compounded monthly. If payments are made at the end of each period, how much money will be in the account in $6$ years?

Acme Annuities recently offered an annuity that pays $5\mathrm{.}7\%$ compounded monthly. What equal monthly deposit should be made into this annuity in order to have $$138,000$ in $10$ years?

A company estimates that it will need $$91,000$ in $12$ years to replace a computer. If it establishes a sinking fund by making fixed monthly payments into an account paying $6\mathrm{.}3\%$ compounded monthly, how much should each payment be$?$