Laker Company reported the following January purchases and sales data for its only product.

Activities	Units Acquired at Cost								Units sold at Retail
Jan.	1	Beginning inventory	150	units	@	$	7.50	=	$	1,125
Jan.	10	Sales										110	units	@	$	16.50
Jan.	20	Purchase	80	units	@	$	6.50	=		520
Jan.	25	Sales										90	units	@	$	16.50
Jan.	30	Purchase	200	units	@	$	6.00	=		1,200
		Totals	430	units					$	2,845		200	units

The Company uses a periodic inventory system. For specific identification, ending inventory consists of 230 units, where 200 are from the January 30 purchase, 5 are from the January 20 purchase, and 25 are from beginning inventory. Determine the cost assigned to ending inventory and to cost of goods sold using (a) specific identification, (b) weighted average, (c) FIFO, and (d) LIFO.

a) Specific Identification	Cost of Goods Available for Sale			Cost of Goods Sold			Ending Inventory
	# of units	Cost per unit	Cost of Goods Available for Sale	# of units sold	Cost per unit	Cost of Goods Sold	# of units in ending inventory	Cost per unit	Ending Inventory
Beginning inventory
Purchases:
Jan. 20
Jan. 30
Total	0		$0	0		$0	0		$0

PLEASE ANSWER FOR SPECIFIC ID, WEIGHTED AVERAGE, FIFO, AND LIFO.