Check my Lupo Corporation uses a job-order costing system with a single plantwide predetermined overhead rate based on machine-hours. The company based its predetermined overhead rate for the current year on the following data: Total machine-hours Total fixed manufacturing overhead cost Variable manufacturing overhead per machine-hour 30,000 $252,000 $ 2.10 Recently, Job T687 was completed with the following characteristics: Number of units in the job Total machine-hours Direct materials Direct labor cost 10 30 $ 675 $1,050