Final answer:
One way to decrease variable costs is by optimizing the use of resources, such as implementing efficient production processes and reducing waste.
Step-by-step explanation:
One way to decrease variable costs is by optimizing the use of resources. This can be achieved by implementing efficient production processes, reducing waste, and improving productivity. For example, a company can invest in technology and automation to streamline operations and reduce the need for manual labor, which can help decrease variable costs associated with labor.