E7-6 (Algo) Calculating Ending Inventory and Cost of Goods Sold Under FIFO, LIFO, and Average Cost LO7-2 Hamilton Company uses a periodic inventory system. At the end of the annual accounting period, December 31 of the current year, the accounting records provided the following information for product 1: Inventory, December 31, prior year For the current year: Purchase, March 21 Purchase, August 1 Units Unit Cost 1,870 $ 6 6,030 5 4,120 2,970 3 Inventory, December 31, current year Required: Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. Note: Round "Average cost per unit" to 4 decimal places and final answers to nearest whole dollar amount. Ending inventory Cost of goods sold Average FIFO LIFO Cost