a. What is the duration of a two-year bond that pays an annual coupon of 10.5 percent and has a current yield to maturity of 12.7 percent? Use $1,000 as the face value. (Do not round intermediate calculations. Round your answer to 4 decimal places. (e.g., 32.1616))

b. What is the duration of a two-year zero-coupon bond that is yielding 11.5 percent? Use $1,000 as the face value.

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a. What is the duration of a four-year Treasury bond with a 10.5 percent semiannual coupon selling at par?

b. What is the duration of a three-year Treasury bond with a 10.5 percent semiannual coupon selling at par?

c. What is the duration of a two-year Treasury bond with a 10.5 percent semiannual coupon selling at par? (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places. (e.g., 32.16))