I have attached the problem. Please provide the work by hand. Thank you very much in advance.

1. Practice Problem: Use the table below to calculate duration of a 2-year bond that makes semi-annual coupon payments. The annual coupon rate is 8%, the face value is $1,000 and the interest rate is 10% per year. time (years) payment ($) PV of payment ($) w t xw, 0.5 40 1.0 40 1.5 40 2.0 1040