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 1,920 Unit Cost $4 Purchase, March 21 Purchase, August 1 5,060 6 2,970 7 Inventory, December 31, current year 4,120 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 Cost of goods sold FIFO LIFO Average Cost