Complete the following using the future value formula or financial calculator. (Do not round intermediate calculations. Round your final answers to the nearest cent.) Amount Interest Time 12 years Principal $ 15,000 Rate Compounded 3 1/2 % Annually Complete the following using the present value formula or financial calculator. (Do not round intermediate calculations. Round the "Periodic rate" to the nearest tenth percent. Round your final answer to the nearest cent.) Answer is complete but not entirely correct. Amount desired at end of Length of time Rate Compounded Period used Periodic rate PV of amount desired at end of period $ 4,728.00 period $ 6,000 8 years 3 % Semiannually 16 1 .5 % omplete the following using the present value formula or financial calculator. (Do not round intermediate calculations. Round you nal answer to the nearest cent.) Rate Compounded Amount desired at Length of time end of period $ 17,600 7 years Period used Periodic rate PV of amount desired at end of period 12 % Quarterly