. Bok Company has limited number of machine hours that it can use for manufacturing two products, A and B. each product has a selling price of P160 per unit but product A has 40% contribution margin and Product B has 70% contribution margin. One unit of B takes twice as many machine hours to make as a unit of A. assume either product can be sold in whatever quantity produced, which product(s) should the limited number of machine hours be used for?