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The research finding that girls report more fears and anxieties than boys
Average Total Cost
The sum of all production expenses divided by the quantity of products made, indicating the per-unit cost.
Average Fixed Cost
The fixed costs of production (e.g., rent, salaries) divided by the quantity of output produced; these costs decline as production increases.
Average Variable Cost
Total variable costs divided by the quantity of output, showing the variable cost per unit of output.
Marginal Cost
The price to produce an additional unit of a product or service.
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