Game theory questions help :Economics

Book Need to do the following questions from the book attached

4.2,

4.3,

5.2,

5.3,

8.2,

8.3,

8.4,

10.7,

10.20,

11.4,

11.5,

11.6,

11.7,

11.8,

11.9,

13.10,

13.11,

13.12,

13.13,

13.14,

13.15