Struggling with this problem, need help ASAP, and please show work for a better understanding if possible! thank you!

Below is the same data presented in Question 3. Date # of Units Unit Cost Jan. 2nd Beginning Inv. $10 Jan. 5th 90 $11 Purchase Sell Inventory Jan. 10th 130 Assuming your company uses LIFO (Last in First out): What is the dollar value of Cost of Goods Sold for the Jan. 10th Sale? $ 980 (do not include decimals) What is ending inventory in units? 20 What is the value of ending inventory? $ 1190