Chapter 18, Problem 4E

To determine

Variable cost is the cost which remains constant per unit of output or at each service provided. It increases in direct proportion to the level of activity.

Fixed cost is the cost which remains constant in totality at each level.

Indirect cost is the cost which cannot be directly attributed to the production of specific goods or services such as administrative expenses, depreciation on equipments.

Direct cost is the cost which can be directly attributed to the production of specific goods or services.

To determine:

In the question we have given the costs related to flight. We have to classify the cost as

a) Either variable or fixed

b) Either direct or indirect