Please explain your answer step by step

Saved 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 157 , 000 Fixed manufacturing overhead cost $660, 000 Variable manufacturing overhead cost per machine-hour $ 4.70 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 $310 Direct labor cost $290 Machine-hours used 31 Compute the total manufacturing cost assigned to Job 400. 3. If Job 400 includes 50 units, what is the unit product cost for this job? 4. If Moody uses a markup percentage of 110% of its total manufacturing cost, then what selling price per unit would it have established for Job 400? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Compute the plantwide predetermined overhead rate. (Round your answer to 2 decimal places.) Predetermined overhead rate per MH