Help Please!

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 following information for product 1 Units Unit Cost Inventory, December 31. prior your 1.920 34 For the current year Purchase, March 21 5.000 0 Purchase. As 2,980 7 Inventory, December 31, current year 4 110 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.) FIFO LIFO Average Cost Ending inventory Cost of goods sold