TechPro offers instructional courses in e-commerce website design. The company holds classes in a building that It owns. Identify each of TechPro's costs below as (a) variable or fixed and (b) direct or indirect by selecting the appropriate dropdowns. Assume the cost object is an individual class. Variable or Fixed Fixed Variable Fixed 1. Travel expenses for salesperson 2. Instructor wage (per class) 3. Depreciation on computers used for classes 4. Depreciation-Classroom furniture 5. Depreciation on classroom building 6. Supervisor salaries Direct or indirect Indirect Direct Indirect Indirect Direct Direct Fixed Variable Variable