please answer quickly, will upvote. please lay things out neatly and add the average cost

Hamilton 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 Unit Units Cost Inventory, December 31, prior year 1,800 $6 For the current year: Purchase, March 21 6,1ee Purchase, August 1 4, eze Inventory, December 31, current year 2,810 Required: Compute ending Inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. (Round "Average cost per unit" to 4 decimal places and final answers to nearest whole dollar amount.) 5 3 FIFO LIFO I Average Cost Ending inventory Cost of goods sold $ 8,430 45,080 $