Ramon Company reports the following cost data for its single product. The company regularly sells 21000 units of its product at a price of $6200 per unit $ 10.20 per unit $ 12.20 per unit Direct materials Direct labor Overhead costs for the year Variable overhead Fixed overhead per year Selling and administrative costs for the year Variable Fixed Normal production level (in units) 5 3.20 per unit $ 48,400 5 2.20 per unit $ 65,400 21,000 units Compute contribution margin under variable costing Compute contribution margin under variable costing. RAMORT COMPANY Contribution margin Sales Less: Variable expenses Variable manufacuring expense $ 1,302,000 Variable selling and administrative expense Total variable expense Contribution margin