Both Bond Sam and Bond Dave have 7 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. If interest rates suddenly rise by 2 percent, what is the percentage change in the price of Bond Sam and Bond Dave? (Negative amount should be indicated by a minus sign. Round your answers to 2 decimal places, (e.g., 32.16))) If rates were to suddenly fall by 2 percent instead what would be the percentage change in the price of Bond Sam and Bond Dave? (Round your answers to 2 decimal places, (e.g., 32.16))