22. Problem 5.24 (Present Value for Various Discounting Periods) B eBook Problem Walk-Through Find the present value of $400 due in the future under each of these conditions: a. 12% nominal rate, semiannual compounding, discounted back 9 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ b. 12% nominal rate, quarterly compounding, discounted back 9 years. Do not round intermediate calculations. Round your answer to the nearest cent $ c. 12% nominal rate, monthly compounding, discounted back 1 year. Do not round intermediate calculations. Round your answer to the nearest cent $ d. Why do the differences in the PVs occur