PLEASE HELP! I did most of it but need help filling in the yellow boxes

Laker Company uses a perpetual inventory system. For specific identification, ending inventory consists of 330 units, where 160 are from the January 30 purchase, 80 are from the January 20 purchase, and 90 are from beginning inventory.

[The following information applies to the questions displayed below.] Laker Company reported the following January purchases and sales data for its only product.Laker Company uses a perpetual inventory system. For specific identification, ending inventory consists of 330 units, where 160 are from the January 30 purchase, 80 are from the January 20 purchase, and 90 are from beginning inventory.2. Determine the cost assigned to ending inventory and to cost of goods sold using weighted average. (Round cost per unit to 2 decimal places.)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 FIFO. 5. Determine the cost assigned to ending inventory and to cost of goods sold using FIFO