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. 3. $500 per year for 10 years at 4%. $ b. $250 per year for 5 years at 2%. $ C. $400 per year for 5 years at 0% $ d. Rework previous parts assuming they are annuities due. Present value of $500 per year for 10 years at 4%: $ Present value of $250 per year for 5 years at 2%:$ Present value of $400 per year for 5 years at 0%: $