both bond sam and bond dave have 10 percent coupons, make semiannual payments, and are priced at par value. bond sam has 3 years to maturity, whereas bond dave has 20 years to maturity. both bonds have a par value of 1,000. if interest rates suddenly rise by 3 percent, what is the percentage change in the price of these bonds? note: a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. if rates were to suddenly fall by 3 percent instead, what would be the percentage change in the price of these bonds?
