Section 3.1 1, 2, 3, 6, 7, 13, 15 Section 3.2 18, 20, 23 Section 3.3 28, 31, 36, 39 Section 3.7 87, 88
1, 2, 3, 6, 7, 13, 15
18, 20, 23
28, 31, 36, 39
87, 88