Nittany 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 Purchase, August 1 Inventory, December 31, current year Required: Units Unit Cost 1,930 $ 7 5,160 9 2,920 4,140 10 Compute ending inventory and cost of goods sold for the current year under FIFO, LIFO, and average cost inventory costing methods. Note: Round "Average cost per unit" to 2 decimal places and final answers to nearest whole dollar amount. > Answer is complete but not entirely correct. FIFO LIFO Average Cost Ending inventory $ 40,180 $ 33,400 $ 36,887 Cost of goods sold $ 48,970 $ 55,750 $ 52,263 x