A 20 -year maturity, 7.6% coupon bond paying coupons semiannually is callable in seven years at a call price of $1,170. The bond currently sells at a yield to maturity of 6.6% (3.30\% per half-year). Required: a. What is the yield to call? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. What is the yield to call if the call price is only $1,120 ? (Do not round intermediate calculations. Round your answer to 2 decimal places.) c. What is the yield to call if the call price is $1,170 but the bond can be called in four years instead of seven years? (Do not round intermediate calculations. Round your answer to 2 decimal places.) A 20 -year maturity, 7.6% coupon bond paying coupons semiannually is callable in seven years at a call price of $1,170. The bond currently sells at a yield to maturity of 6.6% (3.30\% per half-year). Required: a. What is the yield to call? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. What is the yield to call if the call price is only $1,120 ? (Do not round intermediate calculations. Round your answer to 2 decimal places.) c. What is the yield to call if the call price is $1,170 but the bond can be called in four years instead of seven years? (Do not round intermediate calculations. Round your answer to 2 decimal places.)