Kane Manufacturing has a division that produces two models ofhibachis, model A and model B. To produce each model A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model B hibachi requires 4 lb of cast iron and 3 min of labor. The profit for each model A hibachi is $5,and the profit for each model B hibachi is $4.50.If 1000 lb of cast iron and 20 labor-hours are available for the production of hibachis each week, how manyhibachis of each model should the division produce each week tomaximize Kane's profit?