The GMS company has a limited number of machine hours available for products X and Y. Each product has the same selling price per unit, but X has a contribution margin of $12 per unit, while Y has a contribution margin of $18 per unit. Two units of X can be produced in the same time required for one unit of Y. How should the plant capacity be divided between X and Y assuming there is no demand constraint on either product. 33% to X; 67% to Y .a .b 67% to X, 33% to Y .c 0% to X: 100% to y .do 100% to X; 0% to Y