tion [The following information applies to the questions displayed below.) Laker Company reported the following January purchases and sales data for its only product. Date Activities Units Acquired at Cost Units sold at Retail Jan. 1 Beginning inventory 200 units @ $12.50 - $2,500 Jan. 10 Sales 160 units @ $21.50 Jan. 20 Purchase 130 units $11.50 - 1,495 Jan. 25 Sales 140 units@ $21.50 Jan. 30 Purchase 300 units $11.00 - 3,300 Totals 630 units $7,295 300 units Required: The Company uses a periodic inventory system. For specific identification, ending inventory consists of 330 units, where 300 are from the January 30 purchase, 5 are from the January 20 purchase, and 25 are from beginning inventory. Determine the cost assigned to ending Inventory and to cost of goods sold using (a) specific identification, (b) weighted average. (FIFO, and (c) LIFO