Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of 340 units from the January 30 purchase, 5 units from the January 20 purchase, and 15 units from beginning inventory.

DateActivitiesUnits Acquired at CostUnits sold at RetailJanuary 1Beginning inventory210units@$ 13.50=$ 2,835January 10Sales160units@$ 22.50January 20Purchase150units@$ 12.50=1,875January 25Sales180units@$ 22.50January 30Purchase340units@$ 12.00=4,080Totals700units$ 8,790340units

ssume 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.