Both bond A and bond B have 9 percent coupons and are priced at par value. Bond A has 5 years to maturity, while bond B has 20 years to maturity.

a.

If interest rates suddenly rise by 1.6 percent, what is the percentage change in price of bond A and bond B? (Negative answers should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.)

Bond A	%
Bond B	%

b.	If interest rates suddenly fall by 1.6 percent instead, what would be the percentage change in price of bond A and bond B? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.)

Bond A	%
Bond B	%
Please, any solver know how to solve than only otherwise do not waste my attemt by giving wrong answer.