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The correct answer to the question is:
D. Cost of living
Explanation:
1. The term "Cost of living" is defined as the average price of basic necessities for living.
2. It includes expenses like housing, food, healthcare, transportation, and other essential goods and services.
3. Changes in the cost of living can impact individuals' budgets and standard of living.
4. Understanding the cost of living is essential for financial planning and decision-making.
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