What are complements?

goods used in place of one another

goods, such as medicines, that consumers must buy no matter how much they cost

goods that consumers demand less of when their incomes increase

two goods that are bought and used together

two goods that are bought and used together.

Explanation:

A complement is a good or service that is used together with another good or service. This is an important concept in economics, as the value of the complementary good is significantly increased due to this combination. Therefore, sellers often try to sell complements in conjunction.

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