Exercise 18-3 Cost classifications for a service provider LO C2 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 Direct or indirect 1. Computer paper 2. Office manager salary 3. Salesperson commissions 4. Depreciation on computers used for classes 5. Depreciation Classroom furniture 6. Travel expenses for salesperson