Dowell Company produces a single product. Its income under variable costing for its first two years of operation follow. Variable Costing Income Year 1 Year 2 Income $ 30,000 $ 480,000 Additional Information Sales and production data for these first two years follow. Units Year 1 Year 2 Units produced 30,000 30,000 Units sold 20,000 40,000 The companys $31 per unit product cost (for both years) using absorption costing consists of the following. Direct materials $ 5 Direct labor 9 Variable overhead 7 Fixed overhead ($300,000/30,000 units) 10 Total product cost per unit $ 31 Required: Prepare a statement to convert variable costing income to absorption costing income for both years. (Leave no cells blank - be certain to enter "0" wherever