What might a personal staff member do at the library of Congress

Explanation:

First of all the Library of Congress main mission is to research any inquiries made by the members of Congress. This library is open to the public, however, only high ranking people of the government may check out items from the library.  So these personal staff members serve to represent the Committee Staff and they only support agency staff members.

Buying on margin occurs when an investor buys an asset by borrowing the balance from a bank or broker. Buying on margin refers to the initial payment made to the broker for the asset—for example, 10% down and 90% financed.