Power on the Go buys portable generators for $470 and sells them for $740. The company pays a sales commission of 5% of sales revenue to the sales staff. The company pays $7,000 a month rent for the store, and also pays $2,000 a month to staff in addition to the commissions. The company sold 700 generators in June. If the company prepares a contribution margin income statement for the month of June, what would be the operating income? A. $172,100 OB. $154,100 C. $354,900 D. $518,000