Speedy Auto Repairs uses a job-order costing system. The companys direct materials consist of replacement parts installed in customer vehicles, and its direct labor consists of the mechanics hourly wages. Speedys overhead costs include various items, such as the shop managers salary, depreciation of equipment, utilities, insurance, and magazine subscriptions and refreshments for the waiting room. The company applies all of its overhead costs to jobs based on direct labor-hours. At the beginning of the year, it made the following estimates: Direct labor-hours required to support estimated output 20,000 Fixed overhead cost $ 350,000 Variable overhead cost per direct labor-hour $ 1.00 Required: 1. Compute the predetermined overhead rate. 2