Three years ago, Jack's Automotive Jacks issued a 20-year callable bond with a $1000 maturity value and a 8.5 percent coupon rate of interest. Interest is paid semiannually. The bond is currently selling for $1046.
A) What is the bond's yield to maturity?
B) If the bond can be called in four years for a redemption price of $1085, what is the bond's yield to call?