5. An Exxon bond has a maturity of 15 years and a coupon interest rate of 5.72%. If the market requires a yield to maturity of 6.1% on similar risk bonds, what is the value (price) of this bond? 6. A Citigroup bond with a maturity of six years and a yield of 6% has a modified duration of 4.50 years If interest rates are expected to increase by 0.80%, what price change do you expect for this bond? 7. Assume that the Citigroup bond (from #6) is a zero coupon bond (with the same maturity and yield). Recompute your answer (for the change in price) from the previous