A. A 3 4 Problem 1 5 Find the following amounts assuming an ordinary annuity 6 a. Present value of $900 per year for 10 years at 8 percent. 7 b. Future value of $900 per year for 10 years at 8 percent. 8 c. Present value of of $450 per year for 4 years at 4 percent. 9 d. Future value of $450 per year for 4 years at 4 percent