15. a) Calculate the Yield to Call (YTC) of a 20-year semiannual coupon-ed par bond with a coupon rate of 9% and a face value of $1000. This bond was recalled 5 years into the life of the bond at a call price of $1025. n YTC PV PMT EV 9.4031% b) Why can the YTM of this bond be determined without calculation? Put your response in the space below: Hint check the values of the coupon rate and the market rate. c) Give two reasons why this bond's YTC is greater than its YTM. Put your response in the space below: Hint compare the respective CFs between YTM and YTC calculations