Aircard Corporation tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method at the end of each period as if it uses a periodic inventory system. The following are the transactions for the month of July. July 1 July 5 Beginning Inventory Sold July 13 Purchased July 17 Sold July 25 July 27 Purchased Sold Required: Units Unit Cost 2,000 $40 1,000 6,000 44 3,000 8,000 50 5,000 Calculate the cost of goods available for sale, ending inventory, and cost of goods sold if Aircard uses (a) FIFO, (b) LIFO, or (c) weighted average cost. (Round "Cost per Unit" to 2 decimal places.) Cost of Goods Available for Sale Ending Inventory Cost of Goods Sold FIFO Weighted LIFO Average Cost