Example Exercise 3-3 The Rolling Department of Keystone Steel Company had 400 tons in beginning work in process inventory (20% complete). During the period,
7,900 tons were completed. The ending work in process inventory was 1,000 tons
(30% complete). What are the total equivalent units for direct materials if materials
are added at the beginning of the process?

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 100,000 fixed manufacturing overhead cost $ 650,000 variable manufacturing overhead cost per machine-hour $ 3.00 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 $ 450 direct labor cost $ 210 machine-hours used 40