M7-7 Calculating Cost under FIFO and Cost of Goods Available for Sale, Cost of Goods Sold, and Ending Inventory d Average Cost (Periodic Inventory) tian tracks the number of units purchased and sold throughout each account applies its inventory costing method at the end of each period as if it uses entory system. Given the following information, calculate the cost of goods le ending inventory, and cost of goods sold, if Aircard uses a FIFO OF Aircard Corporation tra ing period, but applies a periodic inventor available for sale, endine LOT (6) weighted average cost. Unit Cost $20 July 1 July 5 July 13 July 17 July 25 July 27 Beginning Inventory Sold Purchased Sold Purchased Sold Units 2,000 1,000 6,000 3,000 8,000 5,000