Laker Company reported the following January purchases and sales data for its only product. Units sold at Retail Units Required at cost 145 unitse $7.00 - $1,015 105 units $16.00 Data Activities Jan. 1 Beginning inventory Jan. 10 Sales Jan. 20 Purehase Jan. 25 Sales Jan. 30 Purchase Totals 70 unitse $6.00 - 420 85 units $16.00 190 unitse $5.50 - 405 units 1,045 $2,480 190 units The Company uses a perpetual Inventory system. For specific identification, ending inventory consists of 215 units, where 190 are from the January 30 purchase, 5 are from the January 20 purchase, and 20 are from beginning inventory Exercise 5-3 Perpetual: Inventory costing methods LO P1 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