Hello, i need help with this question. The issue is i dont know what to put into my calculator i have a Texas BA II plus and need some help, if you can guide me on how to put it in and what the answers will be ill appericate it.

Both Bond Sam and Bond Dave have 9 percent coupons, make semiannual payments, and are priced at par value. Bond Sam has 4 years to maturity, whereas Bond Dave has 19 years to maturity.

If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond Sam? -12.18% -12.16% -13.87% 12.54% If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond Dave? 0-38.81% -27.94% -27.96% 32.75% If rates were to suddenly fall by 4 percent instead, what would the percentage change in the price of Bond Sam be then? 14.32% -12.13% 12.54% 14.34% If rates were to suddenly fall by 4 percent instead, what would the percentage change in the price of Bond Dave be then? 32.75% 48.70% 0-27.91% 48.68%