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 Unit Units Cost 1,900 $ 6 Purchase, August 1 Inventory, December 31, current year Required: 6,120 4,190 2,810 53 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. FIFO LIFO Average Cost Ending inventory $ 15,950 $ 15,959 Cost of goods sold $ 46,140 $ 38,620