please show work.

# 1 - Five years ago, Jay's Karate issued a 25-year callable bond with a $1,000 maturity value and a 6.5 percent coupon rate of interest. Interest is paid semiannually. The bond is currently selling for $1,120. a) What is the bond's yield to maturity? b) If the bond can be called in three years for a redemption price of $1,050, what is the bond's yield to call? m