Exercise 7.1

Exercise 7.2

Exercise 7.3

Exercise 7.4

Exercise 7.5

Exercise 7.6

Exercise 7.7

Exercise 7.8

Exercise 7.9

Exercise 7.10

Exercise 7.11

Exercise 7.12(Q1-Q24)

Exercise 7.12(Q25-Q44)

Exercise 8.1

Exercise 8.2