a. What is the duration of a two-year bond that pays an annual coupon of 10 percent and whose current yield to maturity is 14 percent? Use $1,000 as the face value. (Do not round intermediate calculations. Round your answer to 3 decimal places. (e.g., 32.161))

answer is 1.9

b. What is the expected change in the price of the bond if interest rates are expected to decline by 0.5 percent

I got $8.87, it is incorrect, please help with this part