Hamilton Company uses a periodic inventory system. At the end of the annual accounting period, December 31, 2015, the accounting records provided the following information for product 1 Units 1,970 Unit Cost $5 Inventory, December 31, 2014 For the year 2015: Purchase, March 21 Purchase, August 1 Inventory, December 31, 2015 6.110 4,050 2,910 2 Required: Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. (Do not round intermediate calculations and round your final answers to the nearest dollar amount.)