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: What was Carter Co.'s sales mix last year? a. 12% Arks, 28% Bins b. 20% Arks, 80% Bins c. 40% Arks, 20% Bins d. 70% Arks, 30% Bins