Jeddah Corporation, which has only one product, has provided the following data concerning its most recent month of operations: Selling price $ 126 Units in beginning inventory Units produced Units sold Units in ending inventory 0 1,900 1,800 100 Variable costs per unit: Direct materials Direct labor Variable manufacturing overhead Variable selling and administrative expense A A A 49 28 5 $ 11 Fixed costs: Fixed manufacturing overhead Fixed selling and administrative expense $ 32,300 $ 23,400 What is the total contribution margin for the month under variable costing