Manico Company produces three products-X, Y,& Z-with the following characteristics: X Y Z Selling price per $20 100% $16100% $15 100% unit 8 40% 12 75% 6 40% Variable cost per unit Contribution margin per unit Machine hours per unit $12 60% $4 25% $9 60% 10 4 6 The company has only 2,000 machine-hours available each month. In what sequence should orders be filled if the company wants to maximize its total contribution margin? Select one: OX, Z then Y OY, X then Z O X, Y then Z OZ, X, then Y