Answer:
Money must be very difficult to counterfeit, that is, to duplicate illegally
Step-by-step explanation:
Is important that money cannot be counterfeit because if not, people would not trust as a unit of value and able to save his wealth. When money is counterfeit, there is a robbery against all the persons with legal currency as their was obtained through factors of production while the duplicate is false without a previosu contribution to the country's economy.