Sandras Purse Boutique has the following transactions related to its top-selling Gucci purse for the month of October. Sandra's Purse Boutique uses a periodic inventory system.

Date			Transactions	Units				Unit Cost				Total Cost
October	1		Beginning inventory		6			$	790				$	4,740
October	4		Sale		4
October	10		Purchase		5				800					4,000
October	13		Sale		3
October	20		Purchase		4				810					3,240
October	28		Sale		7
October	30		Purchase		8				820					6,560
													$	18,540

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