Concept:Double coincidence of wants is a feature of barter, not a function of money.
Explanation:The main functions of money are:
• Medium of exchange
• Store of value
• Measure of value / unit of account
• Standard of deferred payment
Double coincidence of wants means both parties in a trade must want each other’s goods at the same time.
This is required in a barter system, not in a money economy.
Therefore, double coincidence of wants is not a function of money.
Answer:C. double coincidence of wants