Sheridan uses the periodic inventory system. For the current month, the beginning inventory consisted of 7200 units that cost $12 each. During the month, the company made two purchases; 3100 units at $13 each and 11800 units at $13.50 each. Sheridan also sold 12700 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, es. 1.48) $165100. $164353. $159100. $171000