ack to Assignment Attempts Keep the Highest /6 13. Problem 5.15 (Present Value of an Annuity) 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 cont. a. $500 per year for 14 years at 10% b. $250 per year for 7 years at 5% $ c. $900 per year for 16 years at 0%. $ d. Rework previous parts assuming they are annuites due. Present value of $500 per year for 14 years at 10%:$ Present value of $250 per year for 7 years at 5%: $ Present value of $900 per year for 16 years at 0%: Grade It Now Save & Continue Continue without saving