Both bond A and bond B have 7.8 percent coupons and are priced at par value. Bond A has 9 years to maturity, while bond B has 16 years to maturity. a. If interest rates suddenly rise by 2.2 percent, what is the percentage change in price of bond A and bond B? (Negative answers 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 A -12.67 % Bond B -17.21 % b. If interest rates suddenly fall by 2.2 percent instead, what would be the percentage change in price of bond A and bond B? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Bond A 15.23 % Bond B 22.86 %