Tyler Company has the following information related to purchases and sales of one of inventory toms Date Description Units Purchased at Cost Units Sold at Retail Sept. 1 Beginning inventory 400 units $20 10 Purchase 600 units $21 20 Sales 690 units $36 25 Purchase 800 units at $23 Assume Tyler uses a perpetual inventory system. Required: Calculate ending Inventory and cost of goods sold using the FIFO, LIFO, and average cost methods. FIFO LIFO Avg Cost Cost of goods sold Ending inventory