Object Permanence Refers to the Idea That

question 30

Multiple Choice

Object permanence refers to the idea that

• A) objects continue to exist even when we don't see them.
• B) objects we see continue to exist even when we aren't talking about them.
• C) objects permanently exist in one location.
• D) the substance of an object remains constant even when the form of the object changes.

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Definitions:

Marginal Cost

The supplementary cost associated with making an additional unit of a product or service.

Marginal Revenue

The additional income received from selling one more unit of a good or service; it is an important concept in determining optimal output levels.

Break-Even Point

The point at which total costs and total revenue are equal, resulting in no net loss or gain.

Output

The total amount of goods and services produced by an economy, company, or industry within a specific period.