L04 E3-10B. Perpetual Inventories The following summary data are from the job order cost sheets of Castle Company: Dates Total Assigned Costs at September 30 Total Production Costs Added i n October Job Started Finished Shipped 9/10 9/17 9/25 9/27 10/14 10/23 9/20 9/29 10/11 10/19 11/10 11/17 10/11 10/22 10/27 11/4 11/18 11/29 $9,000 6,600 3,500 4,400 $7,100 5,700 3,200 4,900 Using the data provided, compute (a) the finished goods inventory at October 1 and October 31, (b) the work-in-process inventory at October 1 and October 31, and (c) the cost of goods sold for October. Castle began operations with Job 1