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Protostars start off more luminous than the main sequence stars they become.
Contribution Margin
The amount of revenue from sales that exceeds the variable costs associated with producing a good or service.
Relevant Range
The extent of activity or volume over which the specific cost assumptions and behaviors are considered valid.
Opportunity Cost
The cost of forgoing the next best alternative when making a decision, representing potential benefits that are missed.
Contribution Margin
The difference between a product's selling price and its total variable costs, which helps cover fixed costs and create profit.
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