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 perlod, December 31 of the current year, the accounting records provided the following information for product 1 : Compute ending Inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. Note: Round "Average cost per unlt" to 4 decimal places and flinal answers to nearest whole collar amount