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A 30-year maturity, 9% coupon bond paying coupons semiannually is callable in 10 years at a call price of $1,100. The bond currently sells at a yield to maturity of 7% (3.5% per half-year). a. What is the yield to call? b. What is the yield to call if the call price is only $1,050?

c. What is the yield to call if the call price is $1,100, but the bond can be called in 5 years instead of 10 years?