Tech Pro offers instructional courses in website design. The company holds classes in a building that it owns. The cost object is an individual class. Classify each of TechPro's costs below as direct or indirect. Direct or indirect 1. Instructional manuals for students 2. Instructor wage (per class) 3. Teaching assistant wage (per class) 4. Snacks for class 5. Depreciation on classroom building 6. Monthly Internet connection cost 7 Supervisor salaries 8. Depreciation on computers used for classes