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: Product X Y Unit Selling Unit Variable Unit Contribution Price Cost Margin $110.00 $70.00 $40.00 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? Oa. 30,100 units Ob. 16,875 units Oc. 30,000 units Od. 11,250 units