To compute YTM and YTC please do not use appropriate methods. Set calculator to four decimal places. Show all work by setting up necessary equations and equations with the numbers plugged in the equation

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