Basic cost concepts and break-even analysis

a) Listed below are costs found in various organizations.

1. Depreciation, executive jet.

2. Costs of shipping finished goods to customers.

3. Electricity used in manufacturing furniture.

4. Packing supplies for shipping products overseas.

5. Sand used in manufacturing concrete.

6. Supervisors salary, factory.

7. Executive life insurance.

8. Sales commissions.

9. Advertising costs.

10. Property taxes on warehouses used to store finished goods.

Classify each cost as either variable or fixed with respect to the number of units produced and sold