Problem 5 Suppose that a company produces and sells three types of product. The selling prices per unit of the prod- ucts are 500, 200, and 300 dollars, respectively. To produce one unit of product 1 the company needs 10 pounds of wood and 30 pounds of steel; to produce one unit of product 2 the company needs 10 pounds of wood and 10 pounds of steel; to produce one unit of product 3 the company needs 20 pounds of