Required information [The following information applies to the questions displayed below.) Laker Company reported the following January purchases and sales data for its only product. Units sold at Date Activities Units Acquired at cost Retail Jan. 1 Beginning inventory 140 units & $6.00 - $ 840 Jan. 10 Sales 100 units $15 Jan. 20 Purchase 60 units $5.00 - 300 Jan. 25 Sales 80 units $15 Jan. 30 Purchase 180 units $4.50 - 010 Totals 380 units $1,950 180 unito The Company uses a perpetual inventory system. For specific identification, ending inventory consists of 200 units, where 180 are from the January 30 purchase, 5 are from the January 20 purchase, and 15 are from beginning inventory. Required: 1. Complete the table to determine the costs assigned to ending inventory and to cost of goods sold using specific identification 2. Determine the costs assigned to ending inventory and to cost of goods sold using weighted average. 3. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. 4. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO