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In job-order costing, all of the following statements are correct with respect to labor time and cost except. Time tickets are kept by employees showing the amount of work on specific jobs. The job cost sheet for a job will contain all direct labor charges to that particular job. labor cost that can be traced to a job only with a great deal of effort is treated as part of manufacturing overhead. a machine operator performing routine annual maintenance work on a piece of equipment would charge the maintenance time to a specific job