Variable Costing Ferguson Company has the following information for July: Consists of direct materials, direct labor, and variable factory overhead for the units sold. Variable Jost of goods sold 166,500 Fixed manufacturing costs 62,900 Variable selling and administrative expenses 37,000 Fixed selling and administrative expenses 22,200 Determine the following for Ferguson Company for the month of July: a. Manufacturing margin b. Contribution margin c. Operating income Variable Costing Ferguson Company has the following information for July: Sales $370,000 Variable cost of goods sold 166,500 Fixed manufacturing costs 62,900 Variable selling and administrative expenses 37,000 Fixed selling and administrative expenses 22,200 Determine the following for Ferguson Company for the month of July: a. Manufacturing margin $ b. Contribution margin