Bond J has a coupon rate of 4.6 percent. Bond S has a coupon rate of 14.6 percent. Both bonds have nine years to maturity, make semiannual payments, and have a YTM of 10.2 percent.
If interest rates suddenly rise by 2 percent, what is the percentage change in the price of these bonds? If interest rates suddenly fall by 2 percent instead, what is the percentage change in the price of these bonds?