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. The Compary uses a perpetual inventory system. For specific identification, ending inventory consists of 340 units, where 320 are from the January 30 purchase, 5 are from the January 20 purchase, and 15 are from beginning inventory. Required: 1. Complete the table to determine the cost assigned to ending imventory and copt of goods sold using specific identification. 2. Determine the cost assigned to ending inventory and to cost of goods sold using weighted average. 3. Dotermine the cost assigned to ending inventory and to cost of goods sold using FIFO. 4. Determine the cost assigned to ending inventory and to cost of goods sold using 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. (faand cost per unis to 2 deeimal pla Weiahted Average-Perpetual: Complete this question by entering your answers in the tabs below. Complete the table to determine the cost assigned to ending inventory and cost of goods sold using specific identification. (Round cost per unit to 2 deci 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 Determine the cost assigned to ending inventory and to cost of goods sold using FIFO. (Round cost per unit to 2 decimal places. Petermine the cost assigned to ending inventory and to cost of goods sold using LFO. (Round cost per unit to 2 decimal places.)