Waterway uses the periodic inventory system. For the current month, the beginning inventory consisted of 7200 units that cost $11 each. During the month, the company made two purchases: 3000 units at $12 each and 11800 units at $12.50 each. Waterway also sold 12900 units during the month. If the average-cost method is used, what is the amount of cost of goods sold for the month? (Round average cost per unit to 2 decimal places, eg. 1.48.)