12. Problem 5.24 (Present Value for Various Discounting Periods) Find the present value of $400 due in the future under each of these conditions: a. 12% nominal rate, semiannual compounding, discounted back 4 vears. Do not round intermediate calculations. hound your ansaver to the iearest cent. 3 b. 12% nominal rate, quarterly compounding. discounted back 4 years. Do not round intermedate calculations. asend your ansmer to the nearesf cent. 5 c. 12% nominal rate, monthly compounding. descounted back. s. vear. Do not round intermediare calculations, kound your annwer to the naarest cent. 5 Whi do the differences in the pys occur? a. 12% nominal inate semiannual comnnundie ot round intermediate calculatic ound intermediate calculations. id intermediate calculations. Rou