S. Problem 5.15 (Present Value of an Annuity) Find the present values of these ordinary annuities. Discounting occurs once a year. Do not round Intermediate calculations. Round your answers to the nearest cent. a. $800 per year for 12 years at 16% $ b. $400 per year for 6 years at 8% $ c. $700 per year for 6 years at 0% $ d. Rework previous parts assuming they are annuities due. Present value of $800 per year for 12 years at 16%: $ Present value of $400 per year for 6 years at 8%: $ Present value of $700 per year for 6 years at 0%:$ . Problem 5.14 (Future Value of an Annuity) Find the future values of these ordinary annuities. Compounding occurs once a year. Do not round Intermediate calculations. Round your answers to the nearest cent. a. $200 per year for 14 years at 8%. $ b. $100 per year for 7 years at 4%. $ c. $300 per year for 7 years at % $ d. Rework parts a, b, and c assuming they are annuities due. Future value of $200 per year for 14 years at 8%:$ Future value of $100 per year for 7 years at 4%:$ Future value of $300 per year for 7 years at 0%:$