Rusty Co. sells two products, X and Y. Last year, Rusty sold 5,000 units of X and 35,000 units of Y. Related data are:

	Unit Selling	Unit Variable	Unit Contribution
Product	Price	Cost	Margin
X	$110.00	$70.00	$40.00
Y	70.00	50.00	20.00

Assuming that last year's fixed costs totaled $675,000. What was Rusty Co.'s break-even point in units?

a.11,250 units

b.30,000 units

c.16,875 units

d.30,100 units