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If the accretion disk around a black hole emits X-rays outside the event horizon, the X-rays can escape.
Variable Costs
Expenses that vary directly with the volume of production or services a company offers, including labor and materials.
Total Revenue
A company's aggregate income from product sales and service charges within a set timeframe.
Variable Costs
Expenditures that shift in accordance with the scale of output or level of production activities.
Total Revenue
The income that a company generates from its business activities, typically from the sale of goods and services before any expenses are deducted.
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