Answer:
Sam can easily determine that the Panaview model has a lower price than the Zony model. ⇒ UNIT OF ACCOUNT
Sam saved $30 per week. ⇒ STORE OF VALUE
Sam pays $140 for the Blu-Ray player. ⇒ MEDIUM OF EXCHANGE
Explanation:
The four main functions of money are:
- it serves as a unit of account: it provides a common measure of the value of goods and services being exchanged.
- it serves as a store of value: money holds its value over time, so it serves as a store of value.
- it serves as a medium of exchange: you can use money to purchase goods and services
- it serves as a standard of deferred payment: money serves as a way of valuing a debt, so you can acquire goods now and pay for them later.