Bonds issued by the Coleman Manufacturing Company have a par value of $1,000, which is also the amount of principal to be paid at maturity. The bonds are currently selling for $780. They have 10 years to maturity. Annual interest is 18 percent ($180), paid semiannually. Compute the yield to maturity. (Do not round intermediate calculation. Use a Financial calculator to arrive at the answers. Round the final answer to 2 decimal places.) Yield to maturity %