Answer:
Unit of account
Explanation:
Money serves three functions :
1. Unit of account : money serves the function of determining the value of a good or service. It is usually assumed that goods that are more highly priced are more valuable that goods that have lower prices
2. Medium of exchange : goods and services can be exchanged for money. For example, if I want to buy a gallon of gasoline and pay 4 seashells, money has served as a medium of exchange.
3. store of value: money can be saved, retrieved and exchanged sometimes in the future
