Buffalo Industries uses a periodic inventory system. Its records show the following for the month of May, in which 68 units were sold.

Date		Explanation		Units		Unit Cost		Total Cost
May 1		Inventory		35		$9		$315
15		Purchase		25		10		250
24		Purchase		40		11		440
		Total		100				$1,005

a) Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.)

b) Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round answers to 0 decimal places, e.g. 125.)

		FIFO		LIFO		AVERAGE-COST
The ending inventory at May 31		$Enter a dollar amount		$Enter a dollar amount		$Enter a dollar amount