Three years ago jack's Automotive Jacks issued a 20-year callable bound with a $1000 maturity value and an 8.5 percent coupon rate of interest. interest is paid semiannually. the bond is currently selling for $ 1,046. (a) What is the bond's yield of maturity? (b) if the bond can be called in four years for a redemption price of $1,089, wht is the bond's yield to call?