Answer:
D. broker
Step-by-step explanation:
A broker is a person or a firm who organizes or arranges for financial transactions between two parties or more. A broker is an intermediary because they connect a willing seller to a willing buyer for a commission. Brokers do not take ownership of the products being transacted. They only create a link between buyers and sellers.
Erick is a broker. He acts on behalf of the retailer and connects them to the manufacturer.