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. $500 per year for 16 years at 4%. b. $250 per year for 8 years at 2%. 1 C. $900 per year for 8 years at 0%. $ d. Rework parts a, b, and c assuming they are annuties due. Future value of $500 per vear for 16 years at 4% : 5 Future value of $250 per year for 8 years at 24% : $ Future value of $900 per year for 8 years at 0% : $