Which of the following statements uses the economists' definition of money?

a. I hope that I have enough money to buy my lunch today.

b. I plan to earn a lot of money over the summer.

c. The job with New Company gave me the opportunity to earn more money.

d. Betsy is rich-she has a lot of money.

a. I hope that I have enough money to buy my lunch today.

Explanation:

As we all know what is money but Economists have their different language when they are dealing with money.

Economists define money as a unit that serves as a medium of exchange and we all agree to accept it for transactions.

So among the options the best option that suits the economists definition of money is the option a.