Schrute Farm Sales buys portable generators for $470 and sells them for $740. He pays a sales commission of 5% of sales revenue to his sales staff. Mr. Schrute pays $2,000 a month rent for his store, and also pays $2,100 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 contribution margin? O A. $202,800 O B. $498,800 C. $93,200 D. $296,000