Appropriations are divided into three major categories, which are:

	A)	Army, Navy, and Air Force
	B)	Department of Defense, NASA, and Department of Energy
	C)	Research and development (R&D), investment, and operations
	D)	None of the above

The time period governing availability for obligation of funds varies by type of funding. Generally, the time frames are:

	A)	Five years for multi-year, three years for RDT&E, and one year for operations and maintenance
	B)	Three years for procurement, two years for RDT&E, and one year for operations and maintenance
	C)	Five years for aircraft, three years for ships, and one year for Army ordinance
	D)	None of the above

With the goal of keeping expenditures within funds obligated, expenditures or contract obligations in excess of obligated funds are prohibited by:

	A)	31 U.S. Code 665(a)
	B)	31 U.S. Code 200(d)
	C)	31 U.S. Code 628(c)
	D)	Public Law 93-400