percent Bond C has a coupon of 5.2 percent. Bond D has a coupon of 9.2 percent. Both bonds have 15 years to maturity and have a YTM of TA a. If interest rates suddenly rise by 1.6 percent, what is the percentage price change of these bonds? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) b. If interest rates suddenly fall by 1.6 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.) c-What is your conclusion