Answer:
B. Makes investment trade for their clients.
Step-by-step explanation:
A broker is a person or a firm who acts as an agent on behalf of his or her clients, by buying and selling shares or stocks on the stock exchange market and also make investment decisions for their clients.
When a person intends to buy or sell investment securities like shares or stocks, a broker is approached who in turn facilitate the buying and selling of such securities on the stock exchange in return for a commission.
For a broker to be able to buy and sell securities on the stock exchange , the individual or firm must be licensed to carry out such brokerage service.