Please help me step by step solve this problem. I am not sure where to start for this exact question. Thank you!

Counh'ywide Travel uses the contribution margin income statement internally. Countrw'ide's rst quarter results are as follows: a (Click the icon to view the inoorne statement.) Countrywide's relevant range is sales of between $140,000 and $660,000. Read me Requirement 1. Prepare contribution margin income statements at sales levels of $190,000 and $450,000. (Hint: Use the contribution margin ratio.) Begin by preparing the contribution margin income statement at the $190,000 level. (Round the variable expense rate to the nearest whole percent. Enter losses with a minus sign or parentheses.) Countrywide Travel Contribution Margin lnoome Statement Three Months Ended March 31 Salas revenue Less: Variable expenses Contribution margin Less: Fixed expenses Operating income (loss) tributien mergin inesme statements at sales levels at $1ED.DDU and $4ED.DDEI. {Hint Use the eentributien marg 0 Requirements 1. Prepare eentrihutien margin ineerne statements at sales levels at 5190300 and $45,D. {Hint Use the eentribuiien margin ratio.) 2. Cmpute hreakeven sales in dellars