1 . Expand Darth Vader's contribution margin income statement to include the sales , variable expenses , and contribution margin information on a per - unit and percent of sales basis . Round your per unit calculations to the nearest penny. Sales Level in Units : 19, 000 Per Unit Calculation `` of Sales Calculation Sales $ 1, 805, 000 Variable Expenses 1. 3.35, 700 Contribution Margin 469. 300 Fixed EXPENSES 520, 000 Net Operating Income* $ 150. 7001