6, A bond matures in 18 years, has a 6.4% coupon, paid semi-annually. If Market rates are 7.4%, what is the Macaulay duration of the bond? 7. What is the modified duration of the bond reference above? 8. What is the present value of the bond detailed in question 1? 9. Using modified duration, calculate the new price of the bond of interest rates rise by 90 basis points 10.Using the full valuation approach, what is the bond valued if interest rates rise by 90 basis points