6.13- Four years ago Messy House Painting issued a 20-year bond with a $1,000 maturity value and a 4 percent coupon rate of interest. Interest is paid semiannually. The bond is currently selling for $714. (a) What is the bond's yield to maturity? (b) If the bond can be called in three years for a redemption price of $1,016, what is the bond's yield to call?

6.15- Quiver Archery's bond currently is selling for $1,006; its value one year ago was $996. The bond has a $1,000 maturity value and a coupon rate equal to 7 percent, and it matures in eight years. Interest is paid annually, Compute (a) the current yield and capital gains yield Quiver's bondholders earned during the year and (b) the bond's yield to maturity today.