Hope Cosmetics Company produces tinted SPF 100 moisturizer that it sells for $120 each. Each bottle costs $12 of variable costs to make. During the most recent quarter, 1,200 bottles of moisturizer were manufactured and sold. Fixed costs for the quarter were $21 per unit for a total of $25,200. What is the company's contribution margin ratio? A. 12% B. 21% C. 10% D. 90%