Family Furniture Corporation incurred the following costs.

1 Wood used in the production of furniture.

2 Fuel used in delivery trucks.

3 Straight-line depreciation on factory building.

4 Screws used in the production of furniture.

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.

12 Telephone bill.

Instructions Identify the costs above as variable, fixed, or mixed.

AppendixLO1