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: Units 1,970 Unit Cost $5 Purchase, March 21 5,160 7 2,850 Inventory, December 31, current year 4,148 Purchase, August 1 Check my work 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.) Ending inventory FIFO + LIFO Cost of goods sold Average Cost