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How do food webs differ from food chains?
Variable Cost
Outlays that move in tandem with the level of production or the scale of sales.
Fixed Costs
Expenses that do not change in proportion to the activities of a business, such as rent and salaries, within a certain period or level of production.
Cost Equation
A formula used to predict the total costs of production, based on fixed and variable costs, as a function of activity levels.
Contribution Margin
The selling price per unit minus the variable cost per unit, which helps determine how much sales contribute to covering fixed costs and generating profit.
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