A B C D E F A manufacturer's contribution margin income statement for the year follows. Prepare contribution margin income statements for each of the three separate cases below. Units Selling price per unit Variable cost Contri per unit margir Contribution Margin Income Statement unit Sales (10,000 units x $10 per unit) $100,000 10,000 $10 $6 Variable costs (10,000 units x $6 per unit) 60,000 Contribution margin (10,000 units x $4 per unit) 40,000 30,000 Fixed costs $10,000 Income Required: 1. The 10,000 units produced and sold increases to 10,400 units and fixed costs increase by $5,000. = Graded Worksheet culation Mode: Automatic Workbook Statistics Units Increase in fixed costs