Section 4.1 1, 2, 4, 5, 8, 9 Section 4.2 18, 19, 26, 27 Section 4.3 30, 37, 38 Section 4.4 42
1, 2, 4, 5, 8, 9
18, 19, 26, 27
30, 37, 38
42