Company A uses the periodic inventory system. The beginning inventory consisted of 360 units that cost $65 each. During the month of February, the company made two purchases: on February 15, they bought 540 units at $68 each; on February 25, they bought 270 units at $70 each. Company A also sold 900 units during the month. Using the average cost method, what is the average cost per unit? O $70 $65 $68 O $67.54