Bertrand Manufacturing uses a job-order cost system and applies overhead to production on the basis of direct labour costs. On January 1, 2020, Job No 50 was the only job in process. The costs incurred prior to January 1 on the job were as follows: direct materials $30,000. Direct labour $15,000, and manufacturing overhead $20,000. As of January 1, Job No 49 had been completed at a cost of $120,000 and was part of finished goods inventory. There was a $25,000 balance in the Raw Materials Inventory account. During the month of January, Bertrand Manufacturing bean production on Jobs 51 and 52, and completed Jobs 50 and 51. Jobs 49 and 50 were also sold on account during the month for $152,000 and $198,000, respectively. The following additional events occurred during the month: 1. Bertrand purchased additional raw materials of $100,000 on account. 2. It incurred factory labour costs of $75,000. Of this amount, $18,000 related to employee payroll taxes.