Carter Co. sells two products, Arks and Bins. Last year Carter sold 14,000 units of Arks and 56,000 units of Bins. Related data are:

Product	Unit Selling Price	Unit Variable Cost	Unit Contribution Margin
Arks	$120	$80	$40
Bins	80	60	20

12. What was Carter Co.'s sales mix last year?

13. What was Carter Co.'s weighted average unit selling price?

14. What was Carter Co.'s weighted average variable cost?

15. What was Carter Co.'s weighted average unit contribution margin?