Using LIFO, calculate ending inventory and cost of goods sold at October 31.

Date	Transactions	Units	Cost per Unit	Total Cost
October 1	Beginning inventory	6	$710	$ 4,260
October 4	Sale	4
October 10	Purchase	5	720	3,600
October 13	Sale	3
October 20	Purchase	4	730	2,920
October 28	Sale	7
October 30	Purchase	7	740	5,180
				$15,960