Root Trailers' job cost records yielded the following information:

Use the dates in the table to identify the status of each job. Compute the following balances for Root:
a. Work-in-Process Inventory at July 31
b. Finished Goods Inventory at July 31
c. Cost of Goods Sold for July?

Date Total Cost of Job Started Job at July 31 Finished Sold No. $ 3,400 July 17 June 21 July 16 June 29 July 21 July 26 13,700 July 3 August 11 August 13 6,000 July 7 4,400 July 29 August 1