Speedy Auto Repairs uses a job order costing system. The company's direct materials consist of replacement parts installed in customer vehicles, and its direct labor consists of the mechanics' hourly wages. Speedy's overhead costs Include various iterns, such as the shop manager's salary, depreciation of equipment, utilities, insurance, and magazine subscriptions and refreshments for the waiting room. The company appiles all of its overhead costs to jobs based on direct labor-hours. At the beginning of the year, it made the following estimates: Direct laborhours required to support estimated output variable overhead cost per direct labor-hour 40,008 $ 640,000 $ 1.00 Required: 1. Compute the predetermined overhead rate. 2. During the year, Mr. Wilkes brought in his vehicle to replace his brakes, spark plugs, and tires. The following information was available with respect to his job Direct materials Direct labor cost Direct labor-hours used $ 707 $ 230 9 Compute Mr. Wilkes total Job cost. 3. If Speedy establishes its selling prices using a markup percentage of 50% of its total job cost, then how much would it have charged Mr. Wilkes