Section 2.2. Ex. 13,14,15,23,26.
Section 2.3. Ex. 2,3,5,6,8,9,13,14,15,20,23.
Section 2.4. Ex. 1,4,5,12,13,16.
Section 3.1. Ex. 3,8,9,10,11,15,16,21-24.
Section 3.2. Ex. 1-7, 9, 10, 13.