Countrywide Travel uses the contribution margin income statement internally. Countrywide's first quarter results are as follows (Click the icon to view the income statement) Countrywide's relevant range is sales of between $140,000 and $650,000 Read the requirements Requirement 1. Prepare contribution margin income statements at sales levels of $180,000 and $450,000 (Hint Use the contribution margin ratio) Begin by preparing the contribution margin income statement at the $180,000 level. (Round the variable expense rate to the nearest whole percent Enter losses with a minus sign or parentheses) Countrywide Travel Contribution Margin Income Statement Three Months Ended March 31 Sales revenue Less Variable expenses Contribution margin Less Fixed expenses Operating income (s)