Read the ceavirements Requirement 1. Compute the number of cartons of calendan that Fast Spint Calendars must sell each month to breakeven. Degin by delermining the basic income statement equation. Using the basic income statement equation you determined above solve for the number of cartons to break even. The breakeven sales is cantons: Requirement 2. Cornpule the dolar arnount of monthly sales Fast $ pirt Calendars needs in onder to eam $338,000 in operating inceme. Depin by determining the formula. (Round the contribuloh margh ratio to two decimal places.) The monthly sales needed to earn $398,000 in operating incoene is