26. 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 cost per unit: Direct Materials $ 1 3 Direct Labor $3 5 Variable manufacturing overhead $ 1 Variable selling 8' Administrative $ 10 Fixed Costs: Fixed manufacturing overhead $77,400 Fixed selling 8' administrative $24,000 The total contribution margin for the month under variable costing is: a. $ 160,000 b. $88,000 c. $42,600 d. $ 120,000