Ferris Company began 2013 with 9,000 units of its principal product. The cost of each unit is $4. Merchandise transactions for the month of January 2013 are as follows:

	Purchases
Date of Purchase	Units			Unit Cost*			Total Cost
Jan. 10		6,000		$	5		$	30,000
Jan. 18		9,000			6			54,000
Totals		15,000					$	84,000

*Includes purchase price and cost of freight.

Sales
Date of Sale	Units
Jan. 5		5,000
Jan. 12		3,000
Jan. 20		6,000
Total		14,000

10,000 units were on hand at the end of the month.

Required:

Calculate January's ending inventory and cost of goods sold for the month using each of the following alternatives: (Enter sales with a negative sign.)