A manufacturing company that produces a single product has provided the following data concerning Its most recent month of operations: Selling Price $89 Units in beginning inventory 0 Units produced 4.300 Units sold 4.000 Units in ending inventory 300 variable costs per unit: Direct materials $13 Direct labor $35 Variable manufacturing overhead $1 Variable selling and administrative $10 Fixed costs Fixed manufacturing overhead $77, 400 Fixed selling and administrative $24,000 The total contribution margin for the month under variable costing is $160,000 $88,000 $42, 600 $120,000