Question

pregunta 1 (1 punto)
goods & services that are used in place of other goods & services are known as ____.
○ a inferior goods
○ b normal goods
○ c substitutes
○ d complements

pregunta 2 (2 puntos)
the thing that you have to give up in order to have something else is a/an ____.
○ a marginal cost
○ b want
○ c opportunity cost
○ d trade - off

Explanation:

1. Complements are goods and services used together with other goods or services, matching the definition in the first question.
2. Opportunity cost is defined as the value of the next-best alternative that must be forgone to obtain a desired item, which aligns with the description in the second question.

Answer:

1. d. complements
2. c. opportunity cost