Dave Elliott, CPA, is an assistant to the controller of Lyric Consulting Co. In his spare time, Dave also prepares tax returns and performs general accounting services for clients. Frequently, Dave performs these services after his normal working hours, using Lyric Consulting Co.’s computers and laser printers. Occasionally, Dave’s clients will call him at the office during regular working hours. Discuss whether Dave is performing in a professional manner.

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 items, such as the shop manager’s 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. 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 $ 590 direct labor cost $ 109 direct labor-hours used 6