Western Travel uses the contribution margin income statement internally. Western's first quarter results are as follows: ?(Click the icon to view the income statement.) Western's relevant range is sales of between $130,000 and S675,000. Read the requirements. Requirement 1. Prepare contribution margin income statements at sales levels of $180,000 and $420,000. (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.) Western Travel Contribution Margin Income Statement Three Months Ended March 31 Data Table Sales revenue Less: Variable expenses Contribution margin Less: Fixed expenses Operating income (loss) Western Travel Contribution Margin Income Statement Three Months Ended March 31 Sales revenue Less: Variable expenses Contribution margin Less: Fixed expenses Operating income $ 550,000 165,000 $ 385,000 178,500 S 206,500 Now prepare the contribution margin income statement at the $420,000 level. ( losses with a minus sign or parentheses.) Western Travel Contribution Margin Income Statement Three Months Ended March 31 Print Done Sales revenue Less: Variable expenses Contribution margin Less: Fixed expenses Operating income (loss) Requirement 2. Compute breakeven sales in dollars. Begin by identifying the formula to compute the breakeven sales in dollars. Breakeven sales in dollars = Compute breakeven sales in dollars. The breakeven sales in dollars is $