Calculate the following values. a. The present value of $100 received in year 10 at an 11 percent discount rate. b. The present value of $100 received in year 15 at a 17 percent discount rate. c. The present value of $100 received in each of year 1 through year 20 at a 22 percent discount rate. d. The present value of $100 received in each of year 3 through year 12 at a 13 percent discount rate. FVIFr.t = (1+r)t (1+r)n-1 FVIFAT, r 1 1- PVIFrit- (1+r)" 1 (1+r) PVIFA,,n = r