A 15 -year U.S. Treasury bond with a face value of $1,000 pays a coupon of 7% with semi annual payment. The reported yield to maturity is 9% (please adjust the coupon rate and discount rate for semi annual payment bond). Please answer the following questions. (Round your answers to two decimal places) a. What is the present value of the annuity of coupon payment?(sample answer: 976.50) b. What is the present value of the final payment of $1000 for the bond?(sample answer: 976.50) c. What is the present value of the bond?(sample answer: 976.50)