Schrute Farm Sales buys portable generators for $500 and sells them for $720 He pays a sales commission of 5% of sales revenue to his sales staff. Mr. Schrute pays $4,000 a month rent for his store, and also pays $1,900 a month to his staff in addition to the commissions. Mr. Schrute sold 400 generators in June. If Mr. Schrute prepares a contribution margin income statement for the month of June, what would be his operating income? O A. $67,700 O B. $214,400 O C. $79,500 OD. $288,000