11.1.. Checkers uses the periodic inventory system. For the current month, the beginning inventory consisted of 4,800 units that cost $12 each. During the month, the company made two purchases: 2,000 units at $13 each and 8,000 units at $13.50 each. Checkers also sold 8,600 units during the month. Using the average cost method, what is the amount of cost of goods sold for the month? $111,370. $115,800. $107,900. $111,800. 9.0.6.9