I can figure out this chart. Can someone please help me fill this out and understand it?

MHE Reader ercises Help Save & Exit Sub Check my word 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. Units sold at Retail Date Activities Jan. 1 Beginning inventory Jan. 10 Sales Jan. 20 Purchase Jan. 25 Sales Jan. 30 Purchase Totals Units Acquired at Cost 205 units@ $13.00 = $2,665 140 units@ $12.00 1,680 310 units@ $11.50 = 3,565 655 units $7,910 165 units @ $22.00 145 units @ $22.00 310 units The Company uses a perpetual inventory system. For specific identification, ending inventory consists of 345 units. where 310 are from the January 30 purchase, 5 are from the January 20 purchase, and 30 are from beginning inventory Required: 1. Complete the table to determine the cost assigned to ending inventory and cost of goods sold using specific identification. 2. Determine the cost assigned to ending inventory and to cost of goods sold using weighted average. 3. Determine 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. exercises 1 Saved Help Save & Exit Chec Required information Perpetual LIFO: Goods Purchased # of Cost per units unit Date Cost of Goods Sold # of units Cost per Cost of Goods sold unit Sold Inventory Balance # of units Cost per Inventory unit Balance January 1 205 @ $ 13.00 - $ 2,665.00 January 10 January 20 January 25 January 30 Totals