Answer:
D. Commission.
Explanation:
A commission can be defined as a charge for the service provided by an agency or broker or investment advisor. Investment advisor or broker who gives advice regarding investment, or handle purchases, or sell securities for their client charge an amount of money for their service. In securities industry, when a broker or investment advisor charge a sum of money in return for their service to their clients, this charges or compensation is known as commission. An advisor who charges commission earns money by selling investment products or buying investment products on their client's behalf.
Therefore, option D is correct.
