You can categorize your business costs as fixed, variable and mixed based on how they change in response to your sales or production output. Fixed costs remain the same no matter how many units you ...

The world of microeconomics and business decision-making hinges upon a key concept: marginal cost. In the simplest terms, marginal cost represents the expense incurred to produce an additional unit of ...

A change in demand affects your sales and impacts your variable costs. As your sales grow, your variable costs increase. As your sales fall, your variable costs decrease. If you raise or lower your ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...