Macroeconomics is best defined by which of the following statements?

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Macroeconomics is the study of the economy as a whole, including topics such as inflation, unemployment, economic growth, and government policies that affect the economy at a national or international level. A is incorrect because microeconomics focuses on individual economic units such as households, firms, and industries. B is incorrect because it is a topic studied in microeconomics, not macroeconomics. C is incorrect because profit maximization is a topic studied in microeconomics, not macroeconomics.

Macroeconomics Is Best Defined by Which of the Following Statements