Which of the Following Mathematical Expressions Is True If the Net

question 1

Multiple Choice

Which of the following mathematical expressions is true if the net operating income of a firm is equal to zero?

• A) Sales = Gross profit margin
• B) Sales = Total variable costs + Total fixed costs
• C) Total operating costs = Total variable costs + Total fixed costs
• D) Total operating costs = Contribution margin
• E) Contribution margin = Earnings before interest and tax

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Definitions:

Cotransport

A process by which two substances are simultaneously transported across a cell membrane by a single protein, or complex, often involving the movement of one substance down its concentration gradient to drive the transport of another against its gradient.

Phagocytosis

A process by which cells, such as macrophages, engulf and digest large particles or microorganisms, playing a key role in the immune response.

White Blood Cells

Cells within the immune system that play a crucial role in safeguarding the body from infectious diseases and external threats.

Foreign Particles

Unfamiliar substances or materials present in an organism or environment that can be inorganic or organic, potentially triggering an immune response.