"Two unrelated persons (Person A and Person B) come into your branch office to open a new account. They tell you that the funds are being deposited by Person A, who will be the owner of the account, and that Person B wants to be able to trade the account. They also tell you that only 1 social security number is to be used on the account. How should the account be opened?"

Individual account in the name of Person A with a Third Party Trading Authorization granted to Person B

Explanation:

An account that has two or more signatory is known as a joint account. When this account is opened, both parties or all signatory to the account will have to either be physically present or would provide details about about themselves to be used for opening of the account. The account is then opened and all signatory to the account can access and be informed about every detail about the account as there is no preference of one person over the other.