July 1	Beginning Inventory		2,500		$	35
July 5	Sold		1,500
July 13	Purchased		6,500			39
July 17	Sold		3,500
July 25	Purchased		8,500			41
July 27	Sold		5,500

Calculate the cost of goods available for sale, ending inventory, and cost of goods sold if Aircard uses (a) FIFO, (b) LIFO, or (c) weighted average cost.