In: Finance
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 Both Bond Bill and Bond Ted have 11.2 percent coupons, make semiannual payments, and are priced at par value. Bond Bill has 4 years to maturity, whereas Bond Ted has 21 years to maturity. Both bonds have a par value of 1,000.  | 
| a. | 
 If interest rates suddenly rise by 3 percent, what is the percentage change in the price of these bonds?  | 
| b. | If rates were to suddenly fall by 3 percent instead, what would be the percentage change in the price of these bonds? |