Hamilton Company uses a periodic inventory system. At the end of the annual acco December 31 of the current year, the accounting records provided the following inf Units Unit Cost 2,000 Inventory, December 31, prior year For the current year: Purchase, March 21 Purchase, August 1 Inventory, December 31, current year 6,000 4,000 3,000 Required: Compute ending inventory and cost of goods sold under FIFO, LIFO, and average ca methods. ces FIFO LIFO Average Cost Ending inventory Cost of goods sold