IDNStudy.com, ang iyong platform ng sanggunian para sa eksaktong mga sagot. Magtanong at makatanggap ng maaasahang sagot mula sa aming dedikadong komunidad ng mga eksperto.
Answer:
Bartering
Explanation:
Before money existed, people used other systems to perform exchanges. Bartering involves a direct trade for goods and services. Bartering also has an advantage because even people without money can get something they need. Bartering might involve trading a service for an item