The following are the transactions for the month of July.

		Units	Unit Cost		Unit Selling Price
July 1	Beginning inventory	120	$	9
July 13	Purchase	550		12
July 25	Sold	(200)			$	15
July 31	Ending inventory	470

Required:

Calculate cost of goods available for sale and ending inventory, then sales, cost of goods sold, and gross profit, under (a) FIFO, (b) LIFO, and (c) weighted average. Assume a periodic inventory system is used.(Input all amounts as positive values. Do not round Weighted average cost per unit. Round your final answers to the nearest dollar amount. Omit the "$" sign in your response.)

	FIFO		LIFO		Weighted average
Goods Available for Sale	$		$		$
Ending Inventory
Sales
Cost of goods sold
Gross profit	$		$		$

Need to see it worked out with numbers provided in this problem.