Absorption Costing Versus Variable Costing. Wall Tech Company produces wood siding. The following information pertains to Wall Tech Company. (It has no finished goods inventory at the beginning of year 1.) Prepare a traditional income statement assuming the company uses absorption costing, and then prepare a contribution margin income statement assuming variable costing is used for each of the following scenarios. 1. All 200,000 units produced during year 1 are sold during year 1. 2. Although 200,000 units are produced during year 2, only 170,000 units are sold during the year. The remaining 30,000 units are in finished goods inventory at the end of year 2. 3. Although 200,000 units are produced during year