The following information of a callable bond which pays interest semi-annually is given: The coupon rate is 3.60% and the number of years to maturity is 15 . The bond is callable at 110% of par value in 5 years. If the par value is $1,000 and the current price is $920, what is the yield to call? a. 2.41% b. 8.89% c. 5.45% d. 1.96% e. 7.23%