Ch Todrick Company is a merchandiser that reported the following information based on 1,000 units sold: Sales $ 480, 090 Beginning merchandise inventory $ 32, 000 Purchases $ 320, 090 Ending merchandise inventory $ 16, 090 Fixed selling expense $ Fixed administrative expense 19, 200 Variable selling expense $ 24, 000 Variable administrative expense $ Contribution margin 96,900 Net operating income $ 28, 800 Required: 1. Prepare a contribution format income statement 2. Prepare a traditional format income statement. 3. Calculate the selling price per unit. 4. Calculate the variable cost per unit. 5. Calculate the contribution margin per unit. 6. 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