4) You want to have $ 50000 in the bank after 20 years. If the bank pays 12% compounded quarterly. How much you deposit at the end of each month to have this amount of money at the end of 20 years/ The bank pays simple interest on the money which is deposited during the quarter, but interest is credited to the account and begins to draw interest itself only at the end of a quarter. 4) You want to have $ 50000 in the bank after 20 years. If the bank pays 12% compounded quarterly. How much you deposit at the end of each month to have this amount of money at the end of 20 years/ The bank pays simple interest on the money which is deposited during the quarter, but interest is credited to the account and begins to draw interest itself only at the end of a quarter.