"Congress and the President give the line agencies goals to meet, and the staff agencies help the line agencies meet these goals as effectively as possible through advising, budgeting, purchasing, management, and planning. The general public is much more aware of the work of line agencies than it is of that of most of the staff units. It is for a rather obvious reason: it is the line agencies that carry out public policies and, in doing so, deal directly with the public." Based on this excerpt from the student text, which of the following is a line agency?