Schrute Farm Solun buya portable generators for $500 and tells them for $740. He pays a sales commission of 5% of sales revenue to his sales staff Mr. Schrufe pays $7.000 a month rent for his store, and also pays 51.700 a month to his staff in addition to the commissions Mi Schrute sold 200 generators in June If Mr Schrute prepares a contribution margin income statement for the month of June, what would be his contribution margin? OA 5255 400 OB. 5107 400 OC. $40.600 OD. $140.000