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. For specific identification, ending inventory consists of 210 units from the January 30 purchase, 5 units from the January 20 purchase, and 30 units from beginning inventory. Date January 1 Activities Beginning inventory 155 units Units Acquired at Cost $ 8.00 = Units sold at Retail $ 1,240 January 10 January 20 January 25 Sales Purchase Sales 115 units @ $ 17.00 90 units @ $ 7.00 = 630 95 units @ $ 17.00 January 30 Purchase Totals 210 units @ 455 units $ 6.50 = 1,365 $ 3,235 210 units 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.