Optimizing Product Mix. California Products Company has the capability of producing and selling three products. Each product has an annual demand potential (at current pricing and promotion levels), a variable contribution, and an annual fixed cost. The fixed cost can be avoided if the product is not produced at all. This information is summarized as follows: Each product requires work on three machines. The standard productivities and capacities are as follows: a. Determine which products should be produced, and how much of each should be produced, in order to maximize profit contribution from these operations. b. Suppose the demand potential for product K were doubled. What would be the maximum profit contribution