The Barter Company,(TBC),located in Kennesaw,Georgia,acts as a Broker Between Companies

The Barter Company,(TBC) ,located in Kennesaw,Georgia,acts as a broker between companies that want to trade products or services.Companies must be a TBC member,and there is a one-time fee to join.TBC charges a brokerage fee on each transaction facilitated.This company is an example of a(n) :

A) service integrator.
B) job source.
C) business service.
D) extended service.
E) component service.