Blue Limited uses a perpetual inventory system. The inventory records show the following data for its first month of operations:

Date			Explanation		Units		Unit Cost		Total Cost		Balance in Units
Aug.	2		Purchases		249		$69		$17,181		249
	3		Purchases		506		96		48,576		755
	10		Sales		(275	)					480
	15		Purchases		926		121		112,046		1,406
	25		Sales		(311	)					1,095

a)Calculate the cost of goods sold and ending inventory using the FIFO cost method.

Cost of goods sold
Ending inventory

b)Calculate using Average Cost method

Cost of Goods Sold:

Ending inventory: