Windrosi, Inc. uses a periodic inventory system and its inventory records contain the following information:

	Units		Total Cost
Beginning inventory:	600			$	1,560
Purchased on May 10	800				2,340
Purchased on June 15	1,000				2,520
Purchased on August 28	600				1,980
	3,000			$	8,400

The company sold 2,000 units during June. There were no additional purchases or sales during the remainder of the year. The company had 1,000 units were in its ending inventory at the end of the year. If Windrosi uses the LIFO costing method, what is the cost of its ending inventory?