Taveras Corporation is currently operating at 50% of its available manufacturing capacity. It 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 190,000 Fixed manufacturing overhead cost $ 3,420,000 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 $3,000. The following information was available with respect to this job: Direct materials $ 1,380 Direct labor cost $ 990 Machine-hours used 77 Compute the total manufacturing cost assigned to Job P90.