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Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $700 and promise to pay back $791 at the end of 1 year. % b. You lend $700 and the borrower promises to pay you $791 at the end of 1 year. % C. You borrow $ 79,000 and promise to pay back $139,225 at the end of 5 years. % d. You borrow $10,000 and promise to make payments of $2,504.60 at the end of each year for 5 years. % 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 2 3 4 5 1 $0 $350 $350 $350 $250 Stream A Stream B Stream A: $ $100 $250 $0 $350 $350 $350 $100 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: $ Your client is 40 years old. She wants to begin saving for retirement, with the first payment to come one year from now. She can save $10,000 per year, and you advise her to invest it in the stock market, which you expect to provide an average return of 7% in the future. a. If she follows your advice, how much money will she have at 65? Do not round intermediate calculations. Round your answer to the nearest cent. $ b. How much will she have at 70? Do not round intermediate calculations. Round your answer to the nearest cent. C. She expects to live for 20 years if she retires at 65 and for 15 years if she retires at 70. If her investments continue to earn the same rate, how much will she be able to withdraw at the end of each year after retirement at each retirement age? Do not round intermediate calculations. Round your answers to the nearest cent. Annual withdrawals if she retires at 65: $ Annual withdrawals if she retires at 70: $