a. What is the duration of a four-year Treasury bond with a 4.5 percent semiannual coupon selling at par? Do not round intermediate calculations. Round your answer to 2 decimal places.
Duration of the bond?= ________ years
b. What is the duration of a three-year Treasury bond with a 4.5 percent semiannual coupon selling at par? Do not round intermediate calculations. Round your answer to 2 decimal places.
Duration of the bond?= ________ years
c. What is the duration of a two-year Treasury bond with a 4.5 percent semiannual coupon selling at par? Do not round intermediate calculations. Round your answer to 2 decimal places.
Duration of the bond?= ________ years