Costs That Vary in Total in Direct Proportion to Changes

question 79

Multiple Choice

Costs that vary in total in direct proportion to changes in an activity level are called

• A) fixed costs
• B) sunk costs
• C) variable costs
• D) differential costs

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Definitions:

Energy Efficiency

The ratio of useful output of services to the energy input required to produce them, aiming for reduced consumption.

Breeder Nuclear Fission

A nuclear fission reaction in which a breeder reactor generates more fissile material than it consumes, thus creating additional fuel during its operation.

Feedback Loop

A process in which the output of a system feeds back into the system as input, either amplifying (positive feedback) or damping (negative feedback) its effects.

Utility Companies

Companies that provide essential services such as water, electricity, natural gas, and sewage treatment to households and businesses.