Sales On March 31, the end of the first year of operations, Barnard Inc., manufactured 5,600 units and sold 4,800 units. The following income statement was prepared, based on the variable costing concept: Barnard Inc. Variable Costing Income Statement For the Year Ended March 31, 2011 $1,440,000 Variable cost of goods sold: Variable cost of goods manufactured $806,400 Inventory, March 31 (115,200) Total variable cost of goods sold (691,200) Manufacturing margin $748,800 Total variable selling and administrative expenses (172,800) Contribution margin $576,000 Fixed costs: Fixed manufacturing costs $369,600 Fixed selling and administrative expenses 115,200 Total fixed costs (484,800) Operating income $91,200 Determine the unit cost of goods manufactured, based on (a) the varlable costing concept and (b) the absorption costing concept. Variable costing Absorption costing