1 -ok ances Compute the future value of a $100 cash flow for the following combinations of rates and times. (Do not round intermediate calculations. Round your answers to 2 decimal places.) a. r=8%; t= 10 years b. r= 8%; t=20 years c. r=4%; t= 10 years d. r=4% 20 years a. D b. C. d. Future Value $ 219.11