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In the static group design, each subject is measured before and after being exposed to the experimental treatment.
Break-even Point
The point at which total costs equal total revenue, resulting in no net loss or gain for the business.
Variable Cost
Costs that vary directly with the level of production or sales volume, such as raw materials and direct labor.
Fixed Costs
Costs that do not change in total despite changes in the volume of goods or services produced or sold.
Margin of Safety
The difference between actual or projected sales and the break-even point. It measures the amount by which sales can decline before a business incurs a loss.
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