Uneven cash flow stream a. Find the present values of the following cash flow streams at a 12% discount rate. Round your answers to the nearest cent. 2 4 Stream A Stream B Stream A$ Stream B $ $0 $100 $450 $450 $450 $250 $0 $250 $450 $450 $450 $100 b. What are the PVs of the streams at a 0% discount rate? Stream A $ Stream B $