A manager must decide on the mix of products to produce for the coming week. Product A requires three minutes per unit for molding, two minutes per unit for painting, and one minute for packing. Product B requires two minutes per unit for molding, four minutes for painting, and three minutes per unit for packing. There will be 600 minutes available for molding, 600 minutes for painting, and 420 minutes for packing. Both products have contributions of $1.50 per unit. a. Is this a minimization or maximization problem? (Select) b. What amount of product A should be produced? (Select] c. What amount of product B should be produced? (Select 1 d. What is the overall profit? (Select] e. If 10 minutes were added to molding, how much would the profit increase by [Select)