B 2 eBook Problem Walk-Through a. Find the present values of the following cash flow streams at a 3% discount rate. Do not round intermediate calculations. Round your answers to the nearest cent Stream A Stream B Stream A: $ 50 50 $150 $450 $450 $450 $300 $300 $450 $450 $450 $150 ory 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