a. Find the present values of the following cash flow streams at a 9% discount rate. Do not round intermediate calculations. Round your answers to the nearest cent. 0 2 3 1 4 5 Stream A $0 $100 $400 $400 $400 $400 $400 $250 $100 Stream B $0 $250 $400 Stream A: $ 1228.96 Stream B: $ 1255.71 b. What are the PVs of the streams at a 0% discount rate? Round your answers to the nearest dollar. Stream A: $ 1600 Stream B: $ 1600