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:

Units	Unit Cost
Inventory, December 31, prior year	2,000		$	7
For the current year:
Purchase, March 21	6,180			6
Purchase, August 1	4,080			4
Inventory, December 31, current year	2,910

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.)

Please show your workings. Thanks.