Riverbed Corp reports the following for the month of June.

Date		Explanation		Units		Unit Cost		Total Cost
June 1		Inventory		129		$5		$ 645
12		Purchases		344		6		2,064
23		Purchases		203		7		1,421
30		Inventory		234

Calculate weighted-average unit cost.

Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average-cost.