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_____ is the real power behind the relational database, allowing the use of independent tables linked by common attributes.
Total Fixed Costs
The total of all expenses that do not change with the amount of production or level of business operations.
Equilibrium Level
The state in which market supply and demand balance each other, resulting in stable prices.
Total Costs
The sum of all expenses a firm incurs to produce and sell a product, including both fixed and variable costs.
Short Run
A time period in which at least one input (e.g., plant size, machinery) in the production process is fixed and cannot be changed.
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