-25.20 and -25.70 ARE INCORRECT

Assume a municipal bond has 15 years until maturity and sells for $5,590. It has a coupon rate of 5.50 percent and it can be called in 5 years. What is the yield to call if the call price is 110 percent of par? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Answer is complete but not entirely correct. Yield to call 25.20 %