Classify the following planned costs as:

(A) purely variable costs

(B) mixed costs

(C) step costs

(D) discretionary fixed costs

(E) committed fixed costs

___ 1. Payment on long-term mortgage loan.

___ 2. Electricity used in operating equipment.

___ 3. A lump sum amount of advertising costs planned by a local restaurant.

___ 4. Nursing supervisors' salaries (a supervisor is needed for every 10 nurses).

___ 5. Costs for personnel training.

___ 6. Payment to a consulting firm.

___ 7. Shipping costs.

___ 8. Repairs of plant equipment.

___ 9. Property taxes.

___ 10. Insurance on factory machines.