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Which of the following are valid population elements?
Contribution Margin
The difference between sales revenue and variable costs, indicating how much contributes towards covering fixed costs and generating profit.
Fixed Costs
Expenses that do not change with the level of production or sales activities, such as rent, insurance, and salaries, over a certain period.
Composite Unit
A composite unit is an accounting measurement that combines the attributes of multiple units of a similar product or service into a single representation for easier management or evaluation.
Sales Mix
The proportion of different products or services that make up a company's total sales, affecting overall profitability and performance.
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