eBook Problem Walk-Through a. Find the present values of the following cash flow streams at a 4% discount rate. Do not round Intermediate calculations. Round your answers to the nearest cent. 5 Stream A $0 $100 $450 $450 $450 $250 Stream B $0 $250 $450 $450 $450 $100 Stream A: $ 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: $