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 to produd 1 Unit Unit CM Inventory, December 31, prior your 2,700 $8.50 For the current year Purch, March 21 5.700 9.50 Purchase August 3.700 400 Inventory December 31, current year 6.100 Required: Compule ending inventory and cost of goods sold for the current year under FIFOLIFO and average cost inventory costing methods (Do not found Average cost per unit and round your answers to nearest whole dollar amount) LIFO Average Cout Ending in Cost of goods soli