Explanation:

- Income: This is the correct term for the amount of monetary or other returns, either earned or unearned, accruing over a period of time. It includes wages, salaries, investments, and other earnings.

Correct Answer

- Services: This refers to actions performed for someone else, offering a non-tangible product, such as consulting, teaching, or cleaning.

- Price: This is the amount of money required to purchase a good or service. It is set by sellers and reflects market conditions.

- Value: This term denotes the worth or usefulness of something. It can be subjective and varies from one individual to another.

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