[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 145 units @ $ 7.00 = $ 1,015 Jan. 10 Sales 105 units @ $ 16.00 Jan. 20 Purchase 70 units @ $ 6.00 = 420 Jan. 25 Sales 85 units @ $ 16.00 Jan. 30 Purchase 190 units @ $ 5.50 = 1,045 Totals 405 units $ 2,480 190 units Required: The Company uses a periodic 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. 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..