Calculate the yield to maturity on the following bonds: a. A 8.1 percent coupon (paid semiannually) bond, with a $1,000 face value and 21 years remaining to maturity. The bond is selling at $890 b. An 5.2 percent coupon (paid quarterly) bond, with a $1,000 face value and 10 years remaining to maturity. The bond is selling at $916. c. An 7.2 percent coupon (paid annually) bond, with a $1,000 face value and 8 years remaining to maturity. The bond is selling at $1,066 (For all requirements, do not round intermediate calculations. Round your percentage answers to 3 decimal places. (e.9.. 32.161))