Bond J is a 4.8 percent coupon bond. Bond K is a 8.8 percent coupon bond. Both bonds have 10 years to maturity and have a YTM of 6.2 percent. a. If interest rates suddenly rise by 1.2 percent, what is the percentage price change of these bonds? (Negative values should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Bond J % Bond K % b. If interest rates suddenly fall by 1.2 percent, what is the percentage price change of these bonds? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Bond J % Bond K %.