eBook Find the present values of these ordinary annuities. Discounting occurs once a year. Do not found intermediate calculations. Round your answers to the nearest cent. a. $500 per year for 14 years at 6%. $ b. $250 per year for 7 years at 3%. $ C. $900 per year for 7 years at 0%. $ d. Rework previous parts assuming they are annuities dues Present value of $500 per year for 14 years at 6%:$ Present value of $250 per year for 7 years at 3%: $ Present value of $900 per year for 7 years at 0%:$