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 180 units @ $ 10.50 = $ 1,890 Jan. 10 Sales 140 units @ $ 19.50 Jan. 20 Purchase 110 units @ $ 9.50 = 1,045 Jan. 25 Sales 120 units @ $ 19.50 Jan. 30 Purchase 260 units @ $ 9.00 = 2,340 Totals 550 units $ 5,275 260 units Required: The Company uses a periodic inventory system. For specific identification, ending inventory consists of 290 units, where 260 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, (c) FIFO, and (d) LIFO..