4) Solve for all the Nash equilibria of the following normal-form game. (Ignore mixed strategies. If you don't know what this means, never mind.) Player 2 Strategy A Strategy B Strategy C Strategy A (1, 3) (-1, 3) (0, 1) Player 1 Strategy B (6, 6) (0, 7) (-1, 1) Strategy C (1, 2) (1, -1) (1, 2)