Can you please show detailed steps I am really struggling to understand this topic. I have worked it out multiple times with no success. Thank you!

January i balance, 650 units @ $ 60 $39,000 Purchases: January 650 units @ $65 10: January 1,200 units @ $70 20: Sales: January 1,000 units 12: January 790 units 28: Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming the shop uses LIFO perpetual inventory system Ending inventory Cost of goods sold