3. Problem 5.15 (Present Value of an Annuity) eBook Find the present values of these ordinary annuites Discounting occurs once a year. Do not found intermediate calculations. Round your answers to the nearest cent. a $500 per year for 16 years at 10% $ b. $250 per year for 5 years at 5% 5 $1,000 per year for 8 years at 0% $ d. Rework previous parts assuming they are annuities due. Present value of $500 per year for 16 years at 10%:$ Present value of $250 per year for 8 years at 5%:$ Present value of $1,000 per year for 8 years at 0%:$ Grade it Now Save & Continue Continue without saving