a. Find the present values of the following cash flow streams at an 8% discount rate. Do not round intermediate calculations. Round your answers to the nearest cent. 0 1 2 3 4 5 + Stream A $0 $100 $350 $350 $350 $300 Stream B $0 $300 $350 $350 $350 $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: $ Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $750 and promise to pay back $780 at the end of 1 year. % b. You lend $750 and the borrower promises to pay you $780 at the end of 1 year. % c. You borrow $77,000 and promise to pay back $299,013 at the end of 13 years. % d. You borrow $14,000 and promise to make payments of $3,693.20 at the end of each year for 5 years