For its top managers, Airborn Travel formats its income statement as follows: (Click the icon to view the income statement.) Airborn's relevant range is between sales of $256,000 and $366,000. Read the requirements. Requirement 1. Calculate the contribution margin ratio. Select the labels and enter the amounts to calculate the contribution margin ratio. (Enter the contribution margin ratio as a whole percentage, X\% Data table Requirements 1. Calculate the contribution margin ratio. 2. Prepare two contribution margin income statements: one at the $256,000 sales level and one at the $366,000 sales level. (Hint: The proportion of each sales dollar that goes toward variable costs is constant within the relevant range.)