Answer:
Refer explanation
Explanation:
<em>Fixed cost is a cost that does not change with changes in output.</em>
<em>Variable cost is a cost that changes with the level of activity or output.</em>
<em>Mixed cost is a type of cost that is semi-variable and semi-fixed.</em>
1. Wood used in the production of furniture - Variable
2. Fuel used in delivery trucks - Variable
3. Straight-line depreciation on factory building - Fixed
4. Screws used in the production of furniture - Variable
5. Sales staff salaries - Fixed
6. Sales commissions - Variable
7. Property taxes - Fixed
8. Insurance on buildings - Fixed
9. Hourly wages of furniture craftsmen - Fixed
10. Salaries of factory supervisors - Fixed
11. Utilities expense - Mixed
12. Telephone bill - Mixed