Question 6 In the game above, what will player 2 do if player 1 chooses down Question 7 In the game above, what is/are the sub-game perfect Nash equilibrium? Question 8 In the game above, is/are the sub-game perfect Nash equilibrium efficient?Question 5 Player 1 P1 gets $100 P2 gets $100 Do\\ P1 gets $1 UP Down Player 2 P2 gets $110 P1 gets $10 // P2 gets $10 P1 gets $0 P2 gets $120