Question 2 of 4 Family Furniture Corporation incurred the following costs. Identify the costs as variable, fixed, or mixed. 1 Wood used in the production of furniture. Fuel used in delivery trucks 2. 3. Straight-line depreciation on factory building. 4. Screws used in the production of furniture, c 5. Sales staff salaries 6. Sales commissions 7. Property taxes. 8 Insurance on buildings 9 Hourly wages of furniture craftsmen. 10. Salaries of factory supervisors. 11. Utilities expense 3. Straight-line depreciation on factory building. Screws used in the production of furniture. 4. 5. Sales staff salaries. 6. Sales commissions. > 7. Property taxes. 8. Insurance on buildings.