Limited resource decision: Foles Manufacturing produces three products: X, Y, and Z. A limitation of 502 labor-hours per week prevents Foles from meeting the sales demands for its products. The product information is as follows:

product information

	X	Y	Z
Unit selling price	$90	$120	$200
Unit variable costs	50	30	160
Unit contribution margin	$40	$90	$40
Labor-hours per unit	4	3	2

In addition, the maximum weekly demand for each product is:

weekly demand

Product	Demand
X	100 units
Y	50 units
Z	70 units

The weekly production schedule for Product X under a short-run profit maximizing strategy would be ______ units.