pls help with this section question

Both Bond Sam and Bond Dave have 7 percent coupons, make semiannual payments, and are priced at par value. Bond Sam has 3 years to maturity, whereas Bond Dave has 11 years to maturity. If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond Sam? 10.23% 11.10% 9.99% 9.97% If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond Dave? 33.63% 27.14% 25.17% 25.15% If rates were to suddenly fall by 4 percent instead, what would the percentage change in the price of Bond Sam be then? 9.94% 11.37% 10.23% 11200 If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond Dave? 33.63% 27.14% 25.17% 25.15% If rates were to suddenly fall by 4 percent instead, what would the percentage change in the price of Bond Sam be then? 9.94%11.37%10.23%11.39% If rates were to suddenly fall by 4 percent instead, what would the percentage change in the price of Bond Dave be then? 37.22% 27.14% 37.24% 25.12%