A 30-year maturity bond making annual coupon payments with a coupon rate of 15.3% has duration of 11.27 years and convexity of 183.3. The bond currently sells at a yield to maturity of 8%. Required:

d. What is the percent error for each rule, if its yield to maturity falls to 7%? (Enter your answers as a positive value. Do not round intermediate calculations. Round "Duration Rule" to 2 decimal places and "Duration-with-Convexity Rule" to 3 decimal places.)