Clay Earth Company sells ceramic pottery at a wholesale price of $ 5.00 per unit. The variable cost of manufacture is $ 1.25 per unit. The fixed costs are $ 6 comma 700 per month. It sold 4 comma 200 units during this month. Calculate Clay​ Earth's operating income​ (loss) for this month. A. $ 9 comma 050 B. $ 14 comma 300 C. ​($ 6 comma 700​) D. ​($ 9 comma 050​)