Houlihan Automotive specializes in replacing the brake pads and shoes on domestic automobiles. Each replacement takes one hour and generates $$85$ in costs, and Houlihan charges customers a flat fee of $$110.$ Which cost system should Houlihan use? Why?

The process cost system because the service Houlihan provides is repetitive and routine.

The job order cost system because the service Houlihan provides cannot be performed continuously.

The process cost system because the service Houlihan provides always generates the same amount of profit.

The job order cost system because the service Houlihan provides represents an individualized job.