Kenworth Company uses a job-order costing system. Only three jobs-Job 105, Job 106, and Job 107-were worked on during November and December. Job 105 was completed on December 10; the other two jobs were still in production on December 31, t end of the company's operating year. Data from the job cost sheets of the three jobs follow: Job Cost Sheet November costs incurred: Direct materials Direct labour Manufacturing overhead December costs incurred: Direct materials Direct labour Manufacturing overhead Job 105 Job 106 Job 107 $19,100 $11,900 $ $15,600 $9,600 $ $23,400 $14,400 $ 0 $ 9,500 000 $ $ 5,950 $ 7,300 $26,500 $ 12,600 ? ? ? The following additional information is available: a. Manufacturing overhead is applied to jobs on the basis of direct labour cost. . Balances in the inventory accounts at November 30 were as follows: Raw Materials Work in Process $47,800 ? Finished Goods $98,000