Present value) What is the present value of the following future amounts? a. $900 to be received 9 years from now discounted back to the present at 9 percent. b. $300 to be received 6 years from now discounted back to the present at 8 percent. c. $1,000 to be received 12 years from now discounted back to the present at 3 percent. d. $1,200 to be received 5 years from now discounted back to the present at 18 percent. a. What is the present value of $900 to be received 9 years from now discounted bagk to the present at 9 percent S(Round to the nearest cent.)