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Sapwood is functional secondary xylem.
Opportunity Cost
The forfeiture of potential benefits from other options by selecting a specific one.
Fixed Costs
Business expenses that remain constant regardless of the level of production or sales activities, such as rent, salaries, and insurance.
Variable Costs
Costs that change in proportion to the level of goods or services a company produces.
Sunk Costs
Costs that have already been incurred and cannot be recovered, and thus should not affect future economic decisions.
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