Feedco produces two types of cattle feed, both consisting totally of wheat and alfalfa. Feed 1 must contain at least 80% wheat, and feed 2 must contain at least 60% alfalfa. Feed 1 sells for $1.50/lb, and feed 2 sells for $1.30/lb. Feedco can purchase up to 1,000 lb of wheat at 50/lb and up to 800 lb of alfalfa at 40/lb. Demand for each type of feed is unlimited. Formulate an LP to maximize Feedcos profit.