Answer:a. The job cost sheet is subsidiary to the work in process account.
Step-by-step explanation:
What is a job cost sheet?
The documents that keeps the record of the manufacturing cost for both products and services.
Each job that is done has its job cost sheet to record everything that is involved in that job such as hours, date it was started and when it ended ,job number, and material used other crucial information involved in doing that job.
It helps the company keeps its account records in order to know how much that jobs cost them.