In modern-day society, the exchange process is primarily based on which of the following?

the bartering system

the honor system

the monetary system

the gold standard

The monetary system because we use money to purchase items. The gold standard was used to back the value of money. The bartering system is when you trade for something, for example ten fish for a stone ace. The honor system would be when you take something from someone and tell them you'll pay at a later date, it some times went with the bartering system.

monetary system, we use standard currencies, although in certain places the bartering system is still in effect, usually in third world countries