The Nash Equilibrium in the Following Payoff Matrix Is A) ?1, ?1
B) ?1, 1

The Nash equilibrium in the following payoff matrix is: $\begin{array} { | l | l | c | } \hline &{ \text { A: Cheat } } & \text { A: Not Cheat } \\\hline \text { B: Cheat } & \text { A: 1, B:-1 } & \text { A: } - 1 , \text { B: 1 } \\\hline \text { B: Not Cheat } & \text { A:-1,B:1 } & \text { A: } 1 , \text { B: } - 1 \\\hline\end{array}$

A) ?1, ?1.
B) ?1, 1.
C) 1, ?1.
D) There is no Nash equilibrium.