Penn 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 followi Units 2,200 Unit Cost $600 Inventory, December 31, prior yen For the current year Purchase. March 21 Purchase, August 1 Inventory, December 31, current 700 5.200 3.200 4,600 4.00 Required: Compute ending inventory and cost of goods sold for the current year under FIFO, UFO, and average cost inventory costing methods (Do not round "Average cost per answers to nearest whole dollar amount.) FIFO LIFO Average Cost Ending inventory Cost of goods sold