Moody Corporation uses a job-order costing system with a plantwide predetermined overhead rate based on machine-hours. At the beginning of the year, the company made the following estimates: Machine-hours required to support estimated production 155,000 Fixed manufacturing overhead cost $ 655,000 Variable manufacturing overhead cost per machine-hour $ 4.50 Required: 1. Compute the plantwide predetermined overhead rate. 2. During the year, Job 400 was started and completed. The following information was available with respect to this job: Direct materials $ 370 Direct labor cost $ 220 Machine-hours used 38 Compute the total manufacturing cost assigned to Job 400. 3. If Job 400 includes 60 units, what is the unit product cost for this job