Suppose there are 2 players in a non-cooperative game theory situation. Player A can move Up or Down while Player B can choose Left or Right. The following matrix contains the payoffs that each player receives under 4 scenarios. The first number in each cell refers to the payoffs for Player A.

	Player B
Player A		Left	Right
	Up	10, 60	50, 90
	Down	20, 80	40, 50

Suppose Player A moves first and Player B moves second.

	A.	There is one equilibrium, Up, Left
	B.	There is one equilibrium: Down, Right.
	C.	There are two equilibria, (Down, Left) and (Up, Right)
	D.	There is one equilibrium in this game, Up Right