Both Bond A and Bond B have 9.4 percent coupons and are priced at par value. Bond A has 7 years to maturity, while Bond B has 20 years to maturity.

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

b.If interest rates suddenly fall by 2 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.)