Exercise 4: A 22-year U.S. Treasury bond with a face value of S1.000 pays a coupon of 6 percent of face value. The reported yield to maturity is 5.6%. a. What is the present value of the bond? b. If the yield to maturity changes to 1%. what will be the present value? c. If the yield to maturity changes to 8%. what will be the present value? d. If the yield to maturity changes to 15%, what will be the present value