Laker Company reported the following January purchases and sales data for its only product. The Company uses a perpetual inventory system. For specific identification, ending inventory consists of 280 units from the January 30 purchase, 5 units from the January 20 purchase, and 15 units from beginning inventory.

Date	Activities	Units Acquired at Cost						Units sold at Retail
January 1	Beginning inventory	190	units	@	$ 7.00	=	$ 1,330
January 10	Sales							150	units	@	$ 16.00
January 20	Purchase	110	units	@	$ 6.00	=	660
January 25	Sales							130	units	@	$ 16.00
January 30	Purchase	280	units	@	$ 5.50	=	1,540
	Totals	580	units				$ 3,530	280	units

Required: 1. Complete the table to determine the cost assigned to ending inventory and cost of goods sold using specific identification. 2. Determine the cost assigned to ending inventory and to cost of goods sold using weighted average. 3. Determine the cost assigned to ending inventory and to cost of goods sold using FIFO. 4. Determine the cost assigned to ending inventory and to cost of goods sold using LIFO.