Rathburn, Inc. is a service firm that uses process costing. The firm worked on a total of 1,800 cases this month, 1,600 of which were completed during the period. The remaining cases were 20% complete. The firm incurred $405,500 in direct labor and manufacturing overhead costs during the period, and had $4,500 in direct labor and manufacturing costs in beginning inventory. Using the weighted average method, what was the total cost of cases still in process at the end of the period? Multiple Choice $10,000 $400,000 $107,200 $10,720