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 10 years at 8%. $ b. $150 per year for 5 years at 4%. 5 c. $200 per year for 5 years at 0%. $ d. Rework previous parts assuming they are annulties due. Present value of $300 per year for 10 years at b\%: $ Present value of $150 per year for 5 years at 4% : $ Present value of $200 per year for 5 years at 0%:$