The following information is available for ADT Company, which produces special-order security products and uses a job order costing system. Overhead is applied using a predetermined overhead rate of 55% of direct labor cost. Inventories Beginning of period End of Period Raw materials $ 33,000 $ 31,000 Work in process 9,900 19,700 Finished goods 55,000 33,100 Cost incurred for the period Raw materials purchases $ 178,000 Factory payroll 250,000 Factory overhead (actual) Indirect materials used 17,000 Indi