Find the future values of these ordinary annuities. Compounding occurs.once a year. Do not round intermediate calculations. Round your answers to the nearest cent. a. $400 per year for 10 years at 16%. $ b. $200 per year for 5 years at 8%. $ c. $900 per year for 5 years at 0% $ d. Rework parts a, b, and cassuming they are annuities due. Future value of $400 per year for 10 years at 16%: $ Future value of $200 per year for 5 years at 8%:$ Future value of $900 per year for 5 years at 0%:$ 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. $1,000 per year for 12 years at 4%. 5 b. $500 per year for 6 years at 2% $ c. $900 per year for 6 years at 0% $ d. Rework previous parts assuming they are annities due. Present value of $1,000 per year for 12 years at 4%: $ Present value of $500 per year for 6 years at 2%:$ Present value of 5900 per year for 6 years at 0%:$