Manico Company produces three productsX, Y, & Zwith the following characteristics:

	X	Y	Z
Selling price per unit	$20	100%	$16	100%	$15	100%
Variable cost per unit	12	60%	12	75%	6	40%
Contribution margin per unit	$8	40%	$4	25%	$9	60%
Machine hours per unit	5		3		6

The company has only 2,000 machine-hours available each month. If demand exceeds the company's capacity, in what sequence should orders be filled if the company wants to maximize its total contribution margin?