Answer:
Step-by-step explanation:
a. Money is being used as a medium of exchange because Brooke is accepting money in exchange for doing her daily tasks at the office. Money facilitates transactions: Brooke will use some of that money to buy food, if money wouldn´t exist, the company will have to pay her in food, but for the company is difficult to measure how much apples, rice, coffee and other does Brooke´s work represent.
b. Money is being used as a unit of account because it provides a common measure of the value of goods or services, in this case oranges and apples.
c. Money is being used as a store of value. Even though money loses value because of inflation is the most liquid asset a person can have.