Penn Company uses a periodic inventory system. At the end of the annual acoounting period, Deoamber 31 of the current year, the accounting records provided the following information for product 1 Unit Units Cost Inventory, December 31. 1,800 3 For the current year Inventory, December 31. 4.190 Purchase, March 21 Purchase, August 1 930 6 5,110 current year Required: Compute ending inventory and cost of goods sold for the current year under FIFO, LIFo, and average cost inventory costing methods. (Round "Average cost per unit" to 2 decimal places and final answers to nearest whole dollar amount) FIFO LIFO Ending Cost of oods sold