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. $300 per year for 16 years at 4%. 5 b. $150 per year for 8 years at 2%. $ c. $800 per year for 8 years at 0%. d. Rework previous parts assuming they are annuities due. Present value of $300 per year for 16 years at 4%:$ Present value of $150 per year for 8 years at 2965 Present value of $800 per year for 8 years at 09: $