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. $900 per year for 8 years at 14%. b. $450 per year for 4 years at 7%. c. $300 per year for 4 years at 0%. $ d. Rework parts a, b, and c assuming they are annuities due. Future value of $900 per year for 8 years at 14%: $ Future value of $450 per year for 4 years at 7%: $ Future value of $300 per year for 4 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. $800 per year for 12 years at 6%. $ b. $400 per year for 6 years at 3%. c. $700 per year for 6 years at 0%. $ d. Rework previous parts assuming they are annuities due. Present value of $800 per year for 12 years at 6%: $ Present value of $400 per year for 6 years at 3% : $ Present value of $700 per year for 6 years at 0%: $