The Cost of a One-Unit Increase in an Activity Is

question 144

Multiple Choice

The cost of a one-unit increase in an activity is called the

• A)margin.
• B)rational cost.
• C)opportunity benefit.
• D)marginal cost.
• E)marginal benefit.

---

Definitions:

Social ties

Relationships and connections between individuals or communities, including familial, friendship, and professional interactions, which provide social support and impact well-being.

Drinking water

Water that is safe for human consumption, free from contaminants, and essential for health and survival.

Virtual communities

Online networks of individuals who share interests, ideas, or goals and interact through social media, forums, or other digital platforms.

In-group

A social group to which a person psychologically identifies as being a member, often distinguishing members from those in out-groups.