Computer Concepts Corporation located in Phoenix, Arizona manufactures a variety of computers. Following is a list of the costs that are incurred at Computer Concepts. Required: For each cost, indicate whether it would most likely be classified as direct materials, direct labor, manufacturing overhead, selling, or an administrative cost. 1. The cost of a hard drive installed in a computer. Direct labor cost O Direct materials cost Manufacturing overhead cost Selling cost O Administrative cost 2. The cost of advertising in the Phoenix Sun Computer newspaper. Direct labor cost O Direct materials cost Manufacturing overhead cost Selling cost O Administrative cost 3. The wages of employees who assemble computers from components. O Direct labor cost