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. $1,000 per year for 10 years at 16%. 5 b. $500 per year for 5 years at 8%. 5 c. $600 per year for 5 years at 0%. 5 d. Rework previous parts assuming they are annuities due. Present value of $1,000 per year for 10 years at 16%:$ Present value of $500 per year for 5 years at 8%:$ Present value of $600 per year for 5 years at 0%:5