B eBook Problem Walk-Through a. Find the present values of the following cash flow streams at a 12% discount rate. Do not round Intermediate calculations. Round your answers to the nearest cent. 0 1 2 3 4 5 Stream A $0 $150 $400 $400 $300 $400 $400 Stream B $0 $300 $400 $400 $150 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: $