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 Unit Units 1.930 Inventory, December 31, prior year For the current years Purchase, March 21 Purchase, August 1 Inventory, December 31, current year 6,180 4.160 2,950 Required: Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. (Round "Average cost per unit" to 4 decimal places and final answers to nearest whole dollar amount.) FIFO LIFO Average Cost $ 9.380 Ending inventory Cost of goods sold