What is the present value of the following future amounts? a. exist900 to be received 8 years from now discounted back to the present at 9 percent. b. exist400 to be received 8 years from now discounted back to the present at 9 percent. c. exist1,000 to be received 11 years from now discounted back to the present at 3 percent. d. exist1, 100 to be received 5 years from now discounted back to the present at 17 percent. a. What is the present value of exist900 to be received 8 years from now discounted back to the present at 9 percent? exist