25) What is the yield to maturity of a nine-year, $5,000 bond with a 5.5% coupon rate and semiannual coupons if this bond is currently trading for a price of $4,720?

34) In 1975, interest rates were 7.85% and the rate of inflation was 12.3% in the United States. What was the real interest rate in 1975? How would the purchasing power of your savings have changed over the year? (Note: Be careful not to round any intermediate steps less than six decimal places.)

35) Matthew wants to take out a loan to buy a car. He calculates that he can make repayments of $4,600 per year. If he can get a five-year loan with an interest rate of 7.7%, what is the maximum price he can pay for the car?

37) You are thinking of purchasing a house. The house costs $400,000. You have $57,000 in cash that you can use as a down payment on the house, but you need to borrow the rest of the purchase price. The bank is offering a 30-year mortgage that requires annual payments and has an interest rate of 5% per year. What will be your annual payment if you sign this mortgage?