So the question is asking to fill the in the missing values (which is the blue highlighted ones) in the T-accounts. However I am not sure how to do that.

Question 2 Not complete Marked out of 1:00 P Flag question Product Cost Flows Complete the following T-accounts: Materials Inventory Wages Payable Finished Goods Inventory 640 Manufactured Overhead 9,000 Work in Process Inventory Cost of Goods Sold 2,000 O 0 100 Ched 600 2.000 0 0 18,120 1,200 250 18.000 9,000 4.500 O 0 500