Total variable cost is primarily related to what?

Total variable cost is primarily related to output and sales because variable costs fluctuate in direct proportion to the level of production or sales activity. As a business increases its output, variable costs—such as costs of raw materials, direct labor costs tied to production, and any expenses that increase with higher sales volumes—also increase. Conversely, if production decreases, these costs will decrease correspondingly.

This relationship between variable costs and output/sales is crucial for businesses as it helps in budgeting, forecasting, and understanding profitability at different levels of activity. Recognizing how total variable cost changes with output allows businesses to manage costs effectively and make informed decisions on pricing and production levels.