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 180 units from the January 30 purchase, 5 units from the January 20 purchase, and 15 units from beginning inventory. The Company uses a periodic inventory system. For specific identification, ending inventory consists of 180 units from the January 30 purchase, 5 units from the January 20 purchase, and 15 units 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. Complete this question by entering your answers in the tabs below. Determine the cost assigned to ending inventory and to cost of goods sold using weighted average. Complete this question by entering your answers in the tabs below. Determine the cost assigned to ending inventory and to cost of goods sold using weighted average. Note: Round cost per unit to 2 decimal places. Complete this question by entering your answers in the tabs below. Determine the cost assigned to ending inventory and to cost of goods sold using FIFO. Complete this question by entering your answers in the tabs below. Determine the cost assigned to ending inventory and to cost of goods sold using LIFO