Mary Smith sells gourmet chocolate chip cookies. The results of her last month of operations are as follows: Sales revenue Cost of goods sold (all variable) Gross margin selling expenses (20% variable) Administrative expenses (60% variable) 12,800 Operating income s 56,632 28,967 27,665 8,905 $5,960 If Mary sells her cookies for $1.92 each, how many cookies did she sell during the month? (Round answer to the nearest whole number, e.g. 5,275.) Cookies sold in the month