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