Which of the Following Is Not an Example of a Variable

question 18

Multiple Choice

Which of the following is not an example of a variable cost?

• A) Straight-line depreciation on a machine that has a five-year service life.
• B) Wages of manufacturing workers whose pay is based on hours worked.
• C) Tires used in the production of tractors.
• D) Aluminum used to make patio furniture.
• E) Commissions paid to sales personnel.

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Definitions:

Atherosclerosis

Cardiovascular disorder in which lipid-rich plaques form on the interior walls of blood vessels and narrow the vessels.

T Cell Receptors

Proteins found on the surface of T cells that allow these cells to recognize and bind to specific foreign antigens.

MHC Markers

Major histocompatibility complex markers, proteins found on the surfaces of cells that help the immune system recognize foreign substances.

Antigens

Substances that when introduced into the body, trigger an immune response, often by the production of antibodies.