QUESTION 10 In the game above, what will player 2 do if player 1 chooses down O up O down QUESTION 11 In the game above, what is/are the sub-game perfect Nash equilibrium? O (up,up) O (up, down) (down, up) O ( down, down) QUESTION 12 In the game above, is/are the sub-game perfect Nash equilibrium efficient? O Yes O NoQUESTION 9 P1 gets $20 Up P2 gets $15 Up P1 gets $7 Down P2 gets $10 Up P1 gets $0 P2 gets $158 Down Down P1 gets $150 Player 1 Player 2 P2 gets $150 In the game above, what will player 2 do if P1 chooses up O Up Down