A 21-year U. 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 ls 5.4% a six month discount rate of 5.4-2.7%). Do not round intermediate calculations. Round your answers to 2 decimal places.) a. What is the present value of the bond? Present value b. If the yield to maturity changes to 196, 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. It the yield to maturity changes to 15%, what will be the present value? Present value