18. 0 Check My Work 19. 20, . eBook 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. $200 per year for 10 years at 12%. $ b. $100 per year for 5 years at 6%. $ c. $800 per year for 5 years at 0%. $ d. Rework previous parts assuming they are annuities due. Present value of $200 per year for 10 years at 12%: $ Present value of $100 per year for 5 years at 6%: $ Present value of $800 per year for 5 years at 0%: $ IT