Aaron Corporation, which has only one product, has provided the following data concerning its most recent month of operations. Selling price $ 90 Units in beginning inventory Units produced 3,400 Units sold 3,000 Units in ending inventory 400 Variable costs per unit: Direct materials $ 21 Direct labor $ 38 Variable manufacturing overhead $ 6 Variable selling and administrative $4 expense Fixed costs: Fixed manufacturing overhead $54,400 Fixed selling and administrative expense$ 3,000 The total contribution margin for the month under variable costing is: Multiple Choice $27,000 $63,000 $8,600 $75.000