Searls Corporation, a merchandising company, reported the following results for July: Number of units sold 2,700 units Selling price per unit $664 per unit Unit cost of goods sold $405 per unit Variable selling expense per unit $48 per unit Total fixed selling expense $56,500 Variable administrative expense per unit $13 per unit Total fixed administrative expense $118,200 Cost of goods sold is a variable cost in this company. The contribution margin for July is: Group of answer choices $534,600 $699,300 $359,900 $1,453,400