Bond Chas a coupon of 5.2 percent. tondo has a coupon of 9.2 percent. Both bonds have 15 years to maturity and have a YIM of 7.4 percent. 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. ir mes enly fall by 1.6 percent, what is the percentage price chance of these bonds (Do not round intermediate calculations, Enter your answers as a percent rounded to decimal places) What is your conclusion