the answer is not 17.0270 and 17.0505!

Required: A bond currently sells for $1,110, which gives it a yield to maturity of 5%. Suppose that if the yield increases by 25 basis points, the price of the bond falls to $1,065. What is the modified duration of this bond? (Do not round intermediate calculations. Round your answer to 4 decimal places.) Answer is complete but not entirely correct. Modified duration 17.0270 years