Variable costs are: / » Micro Economics 1 solved MCQs / By admin Question: Variable costs are: A. Sunk costs. B. Multiplied by fixed costs. C. Costs that change with the level of production. D. Defined as the change in total cost resulting from the production of an Answer» c. Costs that change with the level of production. Note: The above multiple-choice question is for all general and Competitive Exams in India.