Swifty uses the periodic inventory system. For the current month, the beginning inventory consisted of 7000 units that cost $10 each. During the month, the compary made two purchases: 2900 units at $11 each and 11900 units at $11.50 each. Swifty also sold 12800 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, e.g. 1.48.) $140800.$135250.$140183.$146750