a. Dyl Inc.'s bonds currently sell for $1,040. They pay a 6% semi-annual coupon and have a 15-year maturity, but they can be called in 8 years at $1,100. What is their yield to maturity (YTM)? b. Sadik Inc.'s bonds currently sell for $1,180. They pay an 8% semi-annual coupon and have a 15-year maturity, but they can be called in 6 years at $1,150. What is their yield to call (YTC)