Inventory Costing Methods Tyler Company has the following information related to purchases and sales of one of its inventory items. Date Description Units Purchased at Cost Units Sold at Retail Sept. 1 Beginning inventory 400 units $18 10 Purchase 600 units @ $19 20 Sales 640 units @ $32 25 Purchase 600 units at $21 Assume Tyler uses a perpetual inventory system. Required: Calculate ending inventory and cost of goods sold using the FIFO, LIFO, and average cost methods. Cost of goods sold FIFO LIFO Avg Cost Ending Inventory 2. Which inventory costing method produces the highest amount for net income? 3. Which inventory costing method produces the lowest amount for taxes? 4. Which inventory costing method produces the highest amount for ending inventory?