Answer:
The correct answer is letter "D": Opportunity cost.
Explanation:
Opportunity cost is described as the return of the choice selected over the potential return that could have been obtained from the choice left behind. It represents the return of the option chosen compared to the choice forgone. Opportunity costs is also defined as the return of the best next available option.
Answer:
yes it is because United States has always been a health crises foreign country
Answer: Has increased.
Explanation: Income per person has increased over the years because the cost of living and expenses have also increased. As the cost of items go up, income increases to help consumers be able to afford living and purchasing goods and services.
