XYZ uses the periodic inventory system. For the current month, the beginning inventory consisted of 1,200 units that cost $12 each. During the month, the company made two purchases: 500 units at $13 each and 2,000 units at $13.50 each. XYZ also sold 2,150 units during the month. Using the average cost method, what is the amount of cost of goods sold for the month?