Laker company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of 370 units from the January 30 purchase, 5 units from the January 20 purchase, and 15 units from beginning inventory.

Assume the perpetual inventory system is used.

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

January 1	Beginning inventory	220 units @ $14.50 = $3,190	Units sold at retail
January 10	Sales		170 units @ $23.50
January 20	Purchase	170 units @13.50 = 2,295
January 25	Sales		200 units @ 23.50
January 30	Purchase	370 units @13.00 = 4,810
	Totals	700 units $10,295	370 units