Stanley's Bicycles store buys bicycles on average for $ 600and sells them on average for $ 800. He pays a sales commission of 15% of sales revenue to his sales staff. Stanley pays $ 1,500a month rent for his store, and also pays $ 7,000a month to his staff in addition to the commissions. Stanley sold 130bicycles in June. If Stanley prepares a contribution margin income statement for the month of June, what would be his operating income?