(Present value) What is the present value of the following future amounts? a. $900 to be received 8 years from now discounted back to the present at 9 percent b. $200 to be received 8 years from now discounted back to the present at 8 percent c. $1,150 to be received 13 years from now discounted back to the present at 5 percent d. $1,150 to be received 6 years from now discounted back to the present at 18 percent a. What is the present value of $900 to be received 8 years from now discounted back to the present at 9 percent? $ 451.68 (Round to the nearest cent.) b. What is the present value of $200 to be received 8 years from now discounted back to the present at 8 percent? (Round to the nearest cent.)