3 Gollum Corporation tracks the number of units purchased and sold throughout each accounting period. It applies its inventory costing method at the end of each perlod as if it uses a periodic inventory system. The following are the transactions for the month of July Units Unit Cost Judy a Beginning Inventory 2,000 July 5 Sold 1,000 July 1) Purchased July 17 3,000 July 25 Purchased 8,000 July 27 Sold 5,000 $40 6,000 42 30 points Sold 44 8002302 Calculate the cost of goods available for sale, ending inventory, and cost of goods sold It Aircard uses (a) FIFO, (D) LIFO, or (c) weighted average cost. (Round "Cost per Unit" to 2 decimal places.) FIFO LIFO Weighted Average Cost Cost of Goods Available for Sale Ending laventory Cost of Goods Sold