### Question
Can you define what variable costs means?


### Answer
**Variable costs** is defined as the following in *10 U.S.C. § 7544*:

> the costs that are expected to fluctuate directly with the volume of sales or services provided or the use of equipment or facilities

#### Citation:
  - *10 U.S.C. § 7544*
  - Heading: **Subtitle B-Army > PART IV-SERVICE, SUPPLY, AND PROCUREMENT > CHAPTER 763-PROCUREMENT**

