Sheridan Co. uses a periodic inventory system. Its records show the following for the month of May, in which 73 units were sold.

				Units			Unit Cost			Total Cost
May 1		Inventory		30			$8			$240
15		Purchases		29			11			319
24		Purchases		36			12			432
		Totals		95						$991

Compute the ending inventory at May 31 and cost of goods sold using the FIFO and LIFO methods.

		FIFO		LIFO
Ending inventory at May 31		$		$
Cost of goods sold		$		$