a. Find the present values of the following cash flow streams at an 8% discount rate. Do not round intermediate calculations. Round your answers to the nearest cent. 0 1 2 3 4 5 Stream A Stream B Stream A: $ $0 $0 $100 $250 $450 $450 $450 $450 $450 $450 $250 $100 Stream B: $ b. What are the PVs of the streams at a 0% discount rate? Round your answers to the nearest dollar. Stream A: $ Stream B: $