Compute the future value of a $100 cash flow for the same combinations of rates and times: (Round your answers to the nearest cent.) a. r=8%, t= 10 years FV $ 1,448.66 b. r= 8%, t = 20 years FV $ 4,576.20 c. r= 4%, c = 10 years FV $ 1,200.61 d. r= 4%, t = 20 years FV $ 2,977.81