Problem 5-15 Present value of an annuity Find the present values of these ordinary annuities. Discounting occurs once a year. Round your answers to the nearest cent. a. $600 per year for 12 years at 10% $4,088. b. $300 per year for 6 years at 5% 1,522.7 c. $500 per year for 8 years at 0%. $4,000. Rework previous parts assuming that they are annuities due. Round your answers to the nearest cent. d. $600 per year for 12 years at 10%. e. $300 per year for 6 years at 5%. f. $500 per year for 8 years at 0% FA