A manager must decide on the mix of products to produce for the coming week. Product A requires three minutes per unit for molding and two minutes per unit for painting. Product B requires two minutes per unit for molding and four minutes per unit for painting. There will be 900 minutes available for molding, 600 minutes for painting. Both products have profits of SI.00 per unit. Use linear programming - graphical method - to determine the combination of A and B that will maximize profit.