I got so confused about this question. please take a look and figure out for me. thanks

Bonds issued 14 years ago by Kramer Manufacturing mature in 11 years and have a $1,000 face value. Each bond carries an annual a 6 percent coupon, payable semiannually, and currently sells for $1,006.40. What is the yield to maturity? Computers Redone has an annual 4.25 percent coupon bonds outstanding with a current market price of $546.19. The yield to maturity is 14.81 percent and the face value is $1,000. Interest is paid semiannually. How many years is it until these bonds mature