A commodity coupon bond pays 5 dollars in period 1. It pays 10 dollars in period 2 and in period 3 it pays the dollar value of the commodity price. Each period is one year. The convenience yield is 10% and the riskless interest rate is 10%. u and d are given by 1.2 and 1/1.2 respectively. The lattice of commodity prices is given below.

Value the commodity coupon bond. Assume the firm that issues the bond is default free. Show all steps in your computations.