Farris Corporation, which has only one product, has provided the following data concerning its most recent month of operations: Selling price $100 Units in beginning inventory 0 Units produced 8,800 Units sold 8,400 Units in ending inventory 400 Variable costs per unit: Direct materials $ 15 Direct labor $ 57 Variable manufacturing overhead $ 3 Variable selling and administrative expense $ 7 Fixed costs: Fixed manufacturing overhead $132,000 Fixed selling and administrative expense $ 8,500 What is the net operating income (loss) for the month under variable costing?