Columbia Corporation produces a single product. The company's variable costing income statement for November appears below: Columbia Corporation Income Statement For the Month ended November 30 Sales ($17 per unit) $ 708,900 Variable expenses: Variable cost of goods sold 417,000 Variable selling expense 125,100 Total variable expenses 542,100 Contribution margin 166,800 Fixed expenses: Manufacturing 107,490 Selling and administrative 35,830 Total fixed expenses 143,320 Net operating income $ 23,480 During November, 35,830 units were manufactured and 8,560 units were in beginning inventory. Variable production costs per unit, total fixed manufacturing expenses, and the number of units produced were the same in prior months. Under absorption costing, for November the company would report a: Columbia Corporation produces a single product. The company's variable costing income statement for November appears below: Columbia Corporation Income Statement For the Month ended November 30 Sales ($17 per unit) $ 708,900 Variable expenses: Variable cost of goods sold 417,000 Variable selling expense 125,100 Total variable expenses 542,100 Contribution margin 166,800 Fixed expenses: Manufacturing 107,490 Selling and administrative 35,830 Total fixed expenses 143,320 Net operating income $ 23,480 During November, 35,830 units were manufactured and 8,560 units were in beginning inventory. Variable production costs per unit, total fixed manufacturing expenses, and the number of units produced were the same in prior months. Under absorption costing, for November the company would report a