Question 5. [15 pts] For each of the following extensive form games, write down the normal-form representation of the game, determine all pure strategy Nash equilibria, and determine all pure strategy subgame-perfect Nash equilibria. a) [7 pts] X (2,2) T B 2 2 L R L R (3,1) (0.0) (5,0) (0,1) b) [8 pts] X F 5/2 L R 5/2 I NO ONK- NN