Winter Trailers' job cost records yielded the following information: Job No. 2 3 4 Started June 21 June 29 July 3 July 7 Date Finished July 16 July 21 August I I July 29 Sold July 17 July 26 August 13 August 1 Total Cost of Job at July 31 $ 3,000 13,800 6,700 4,800 Use the dates in the table to identify the status of each job. Compute the following balances for Winter Trailers: a. Work-in-Process Inventory at July 31 b. Finished Goods Inventory at July 31 c. Cost of Goods Sold for July