Both Bond Chris and Bond Matt have 7.1 percent coupons, make semiannual payments, and are priced at par value. Bond Sam has three years to maturity, whereas Bond Dave has 20 years to maturity. A. If interest rates suddenly rise by 2 percent, what is the percentage change in the price of Bond Chris and Bond Matt? B. If rates were to suddenly fall by 2 percent instead, what would be the percentage change in the price of Bond Chris and Bond Matt?

(Enter your answers as a percent rounded to 2 decimal places and do not round intermediate calculations)