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 1,860 $6 Inventory, December 31, prior year 800 5,140 4,160 For the current year: Purchase, March 21 Purchase, August 1 Inventory, December 31, current 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 placos and final answers to nearest whole dollar amount FIFO Average Cost Ending inventory Cost of goods $ 52,280