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 @ $12 Sept. 10 Purchase 600 units @ $14 Sept. 20 Sales 690 units @ $24 Sept. 25 Purchase 600 units at $15 Assume the company 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 $ Ending inventory FIFO LIFO Avg Cost $