Following is information about the Eclypso Company's two products

	Product X	Product Y
Unit selling price	$10.00	$10.00
Unit variable costs:
Manufacturing	$6.00	$7.00
Selling	1.00	1.00
Total variable costs	$7.00	$8.00
Monthly fixed costs are as follows:
Manufacturing	$90,000
Selling and administrative	50,000
Total fixed costs	$140,000

What is the total monthly sales volume in units required to break-even when the sales mix in units is 80% Product X and 20% Product Y?

	a.	8,333 units
	b.	56,667 units
	c.	16,667 units
	d.	50,000 units