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:

Units 1,970 Unit Cost $4 Inventory, December 31, prior year For the current year: Purchase, March 21 Purchase, August 1 Inventory, December 31, current year 5,170 2,830 4,30 DN FIFO LIFO Average Cost Ending inventory Cost of goods sold