1. A 9-year bond has a yield to maturity of 10 percent and a modified duration of 6.54 years. If the market yield changes by 50 basis points, what is the change in the bond's price?
2. Which bond has the longest duration?
a. 8-year maturity, 6 percent coupon b. 8-year maturity, 11 percent coupon c. 15-year maturity, 6 percent coupon d. 15-year maturity, 11 percent coupon