please correct 9b and 9c

A newly issued bond has a maturity of 10 years and pays a 7% coupon rate (with coupon payments coming once annually). The bond sells at par value. a. What are the convexity and the duration of the bond? Use the formula for convexity in footnote 7. (Round your answers to 3 decimal places.) 7.15/10 points awarded Convexity Duration 64.927 7.515 years Scored eBook b. Find the actual price of the bond assuming that its yield to maturity immediately increases from 7% to 8% (with maturity still 10 years). Assume a par value of 100. (Round your answer to 2 decimal places.) Print Actual price of the bond 932.90 % References c. What price would be predicted by the modified duration rule 4 = -D* Ay? What is the percentage error of that rule? (Negative answers should be indicated by a minus sign. Round your answers to 2 decimal places.) Percentage price change Percentage error (7.02 (0.86, X % %