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: Units Unit Cost Inventory, December 31, prior year 1,950 $ 7 For the current year: Purchase, March 21 6,190 6 Purchase, August 1 4,150 4 Inventory, December 31, current year 2,810 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.