Please help with first step...

Team Spirit Calendars imprints calendars with college names. The company has fixed expenses of $1,095,000 each month plus variable expenses of $4.00 per carton of calendars. Of the variable expense, 66% is cost of goods sold, while the remaining 34% relates to variable operating expenses. The company sells each carton of calendars for $12.00 Read the requirements Requirement 1. Compute the number of cartons of calendars that Team Spirit Calendars must sell each month to breakeven. Begin by determining the basic income statement equation J = Operating income