Find the present value of $700 due in the future under each of these conditions: a. 6% nominal rate, semiannual compounding, discounted back 4 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ b. 6% nominal rate, quarterly compounding, discounted back 4 years. Do not round intermediate calcutabions. Round your answer to the nearest cent. 5 c. 6% nominal rate, monthly compounding, discounted back 1 year. Do not round intermediate calculations. Round your answer to the nearest cent. 5 d. Why do the differences in the PVs occur