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 labour consists of the mechanies' hourly wages. Speedy's overhead costs include various items such as the shop manager's salary, depreciation of equipment, utilities, insurance, and magazine subseriptions and refreshments for the waiting room. The company applies all of its overhead costs to jobs based on direct labourhours. At the beginning of the year, it made the following estimates: vuring 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: Reyuiveds 1. Compute the predetermined overhead rate: vehicles, and its direct labour consists of the mechanics' hourly wages. Speedy's overhead costs include vartous items such as the shop manager's salary, depreciation of equipment, utilities, insurance, and magazine subseriptions and refreshments for the waiting room. The company applies all of its overhead costs to jobs based on direct labourhours. At the beginning of the year, it made the following estimates: 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: Reyuiredt 1. Compute the predetermined overhead rate. 2. Compute Mr. Wilkes's total job cost. 3. If Speedy establishes its selling prices using a markup percentage of 40% of its total job cost, then how much would it have charged Mr. Wilkes