Find the future values of the following ordinary annuities a FV of $400 paid each 6 months for 9 years at a nominal rate of 16, compounded semiannually. Do not round Intermediate calculations. Round your answer to the nearest Cene $ b. Pof $200 puld each 3 months for 9 years at a nominal rate of 16%, compounded quarterly, Do not round intermediate calculations. Round your answer to the nearest c. The annunties described in parts and have the same amount of money paid into them during the 9-year period, and both earn interest at the same nominal rate, yet the antuity in part bearns more than the one in parts over the years. Why does this occur