Garland is interested in selling the excess grain, not lending it, so lease rates are not relevant. Storage costs may be an issue, though in some cases the company could have no measurable storage costs. However, the company is likely to know its own costs, and there is probably little reason for Cain to advise Garland on this topic. The convenience yield reflects the value of a commodity held by an investor for nonmonetary return, and affects the price an investor should pay for a commodity |