A manufacturer's contribution margin income statement for the year follows. Prepare contribution margin income statements for each of the three separate cases below. Contribution Margin Income Statement Sales (10,000 units $10 per unit) Variable costs (10,000 units $ 100,000 $6 per unit) 60,000 $4 per unit 40,000 30,000 $ 10,000 Contribution margin (10,000 units Fixed costs Income 1. The 10,000 units produced and sold increases to 10,400 units and fixed costs increase by $5,000. 2. Unit selling price decreases by 5% and units produced and sold increase by 8%. Hint: A unit increase has both a sales and costs impact. 3. Fixed costs increase by $20,000, variable costs per unit decrease by $2, and units produced and sold increase by 500. Answer is not complete. 1. The 10,000 units produced and sold increases to 10,400 units and fixed costs increase by $5,000. Sales Variable costs Contribution margin Fixed costs Income (loss) Contribution Margin Income Statement 104,000 62,400 41,600 35,000 $ 6,600 2. Unit selling price decreases by 5% and units produced and sold increase by 8%. Contribution Margin Income Statement Sales 54,000