Consider the following bi-matrix representing a non-zero sum game of two players.

Find the optimal strategies for the following cases:

a) when cooperation is not allowed

b) when cooperation is allowed, but payoffs cannot be redistributed

c) when cooperation and payoff redistribution are allowed

(-2, 4) (5, 3) (-2, 5 (2, -2) (-6, -4) (-3, -4) (1, 1) (2, 2) (2, -3) (-5, -3) (5, -5) (-3,3)