Shawnee Motors Inc. assembles and sells MP3 players. The company began operations on August 1 and operated at 100% of capacity during the first month. The following data summarize the results for August: Sales (14,500 units) $2,030,000 Production costs (19,000 units): Direct materials $984,200 Direct labor 473,100 Variable factory overhead 235,600 Fixed factory overhead 157,700 1,850,600 Selling and administrative expenses: Variable selling and administrative expenses $286,800 Fixed selling and administrative expenses 111,000 397,800 If required, round interim per-unit calculations to the nearest cent. Prepare an income statement according to the variable costing concept. Shawnee Motors Inc. Variable Costing Income Statement For the Month Ended August 31 Sales $ Variable cost of goods sold Manufacturing margin $ Variable selling and administrative expenses Contribution margin $