A 21-year U.S. Treasury bond with a face value of $1,000 pays a coupon of 5.75% (2.875% of face value every six months). The reported yield to maturity is 5.4% (a six- month discount rate of 5.4/2 = 2.7%). (Do not round intermediate calculations. Round your answers to 2 decimal places.) a. What is the present value of the bond? Present value 1,043.65 b. If the yield to maturity changes to 1%, what will be the present value? Present value $ c. If the yield to maturity changes to 8%, what will be the present value? Present value $ d. If the yield to maturity changes to 15%, what will be the present value? Present value $