A 13-year U.S. Treasury bond with a face value of $1,000 pays a coupon of 5.25% (2.625% of face value every six months). The reported yield to maturity is 5.0% (a six-month discount rate of 5.0/2 = 2.5%). 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? (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places.) a. Present value b. Present value c. Present value d. Present value