All of the following statements regarding job-order costing systems are false except: O a. All of the given statements are false O b. Ajob cost sheet is used to record how much a customer pays for the job once the job is completed. c. An employee time ticket is an hour-by-hour summary of the employee's activities throughout the day. Od. If a job is not completed at year end, then no manufacturing overhead cost would be applied to that job when a predetermined overhead rate is used. Oe. In a job-order costing system, costs are traced to individual units of product. The sum total of such traced costs is called the unit product cost