A 10-year maturity, 9.5% coupon bond paying coupons semiannually is callable in five years at a call price of $1,040. The bond currently sells at a yield to maturity of 7% (3.5% per half-year).

a. What is the yield to call annually? (Do not round intermediate calculations. Round your answer to 3 decimal places.)

b. What is the yield to call annually if the call price is only $990? (Do not round intermediate calculations. Round your answer to 3 decimal places.)

c. What is the yield to call annually if the call price is $1,040, but the bond can be called in two years instead of five years? (Do not round intermediate calculations. Round your answer to 3 decimal places.)