Todrick Company is a merchandiser that reported the following information based on 1,000 units sold: $300, 000 $20, 000 $ 200, 000 $ 7, 000 Sales Beginning merchandi se inventory Pur chases Ending merchandise inventory Fixed selling expense Fixed administrative expense Variable selling expense Variable administrative expense Contribution margin Net operating income $ 12, 000 $ 15, 000 $ 60, 000 $ 18, 000 Todrick Company Contribution Format Income Statement Sales $ 300,000 Variable expenses $ 15,000 213,000 12,000 Selling expense Cost of goods sold Administrative expense 240,000 60,000 Contribution margin Fixed expenses: Administrative expense $ 12,000 Selling expense 12,000 Todrick Company Traditional Income Statement Selling and administrative expenses: 3. Selling price per unit Variable cost per unit $ 240 Contribution margin per unit or net operating income wimat Traditional income statement Contribution income statement Which income statement format (traditional format or contribution format) would be more useful to managers in estimating how net operating income will change in responses to changes in unit sales