. Bond J is a 6 percent coupon bond. Bond K is a 12 percent coupon bond. Both bonds have 8 years to maturity, make semiannual payments, and have a YTM of 7 percent. If the interest rates suddenly rise by 2 percent, what is the percentage price change of these bonds? What if interest rates suddenly fall by 2 percent instead? What does this problem tell you about interest rate risk of lower-coupon bonds?