Stanley's Bicycles store buys bicycles on average for $610 and sells them on average for $800. He pays a sales commission of 15% of sales revenue to his sales staff. Stanley pays $1700 a month rent for his store, and also pays $3000 a month to his staff in addition to the commissions. Stanley sold 120 bicycles in June. If Stanley prepares a contribution margin income statement for the month of June, what would be his operating income? $87,600 $96,000 O $10.220 O $3700