CraMerica has 8% coupon bond issue with 8 years to maturity. Each of these bonds make semi-annual interest payments. These bonds have a yield to maturity of 10%. Suddenly, the yield to maturity on these bonds fall to 8%. What is the percentage change in the price of these bonds. Assume a par value of $1,000. Enter your answer to two decimal plances with no percentage sign. That is, like this: 13.61