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 200 units, where 180 are from the January 30 purchase, 5 are from the January 20 purchase, and 15 are from beginning inventory. Required: Issume the periodic inventory system is used. Determine the cost assigned to ending inventory and to cost of goods sold using (a) pecific 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. Note: Round cost per unit to 2 decimal places