machine-hours required to support estimated production 265,000 fixed manufacturing overhead cost $ 5,830,000 variable manufacturing overhead cost per machine-hour $ 2.00 required: 1. compute the plantwide predetermined overhead rate. 2. during the year, job p90 was started, completed, and sold to the customer for $4,500. the following information was available with respect to this job: direct materials $ 2,070 direct labor cost $ 1,485 machine-hours used 92