Cost of Goods Manufactured, using Variable Costing and Absorption Costing On December 31, the end of the first year of operations, Frankenreiter Inc., manufactured 4,400 units and sold 3.800 units. The followina income statement was prebared. based on the variable costing concept: Determine the unit cost of goods manufactured, based on (a) the variable costing concept and (b) the absorption costing concept. Variable costing 5 X Absorption costing X