using financial calculator please explain step by step

o ne prent value of $800 due in the future under each of these conditions: a. 6% nominal rate, semiannual compounding, discounted back 5 years. Do not round Intermediate calculations. Round your answer to the nearest cent. $ b. 6% nominal rate, quarterly compounding, discounted back 5 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ c. 6% nominal rate, monthly compounding, discounted back 1 year. Do not round intermediate calculations, Round your answer to the nearest cert $ d. Why do the differences in the PVs occur? -Select