Can someone help figure this problem out. I have stared at it for 2 hours and am just lost. Thanks

Part 9 (24 points) Perpetual Inventory Problem During January, a company that uses a perpetual inventory system had a beginning inventory, purchases, and sales as follows: Beginning inventory Jan 5. Purchase Jan 15. Sale Units 60 40 49 Unit Cost $12.00 $14.00 ? Complete the framed area of the inventory cards below under each of the assumptions listed. 1. SPECIFIC IDENTIFICATION (25 sold from the beginning inventory and 24 from Jan. 5 purchase). Date Jan. 1 Jan. 5 Purchases Cost of Goods Sold Units Cost Total Units Cost Total 60 $12.00 $720.00 40 $14.00 $560.00 Inventory Balance Units Cost Total 60 $12.00 $720.00 60 $12.00 40 $14.00 $1,280.00 Jan. 15 2. LAST IN - FIRST OUT Date Jan. 1 Jan. 5 Purchases Cost of Goods Sold Units Cost Total Units Cost Total 60 $12.00 $720.00 40 $14.00 $560.00 Inventory Balance Units Cost Total 60 $12.00 $720.00 60 $12.00 40 $14.00 $1,280.00 Jan. 15 3. FIRST IN - FIRST OUT Date Jan. 1 Jan. 5 Purchases Cost of Goods Sold Units Cost Total Units Cost Total 60 $12.00 $720.00 40 $14.00 $560.00 Inventory Balance Units Cost Total 60 $12.00 $720.00 60 $12.00 40 $14.00 $1,280.00 Jan. 15 4. WEIGHTED AVERAGE Date Jan. 1 Jan. 5 Purchases Cost of Goods Sold Units Cost Total Units Cost Total 60 $12.00 $720.00 40 $14.00 $560.00 Inventory Balance Units Cost Total 60 $12.00 $720.00 60 $12.00 40 $14.00 Jan. 15 $1,280.00