PERT Analysis and Network Diagrams

attached are a couple simple starter templates for creating network diagrams.
Part 1
On pages 243 – 244 of your textbook, locate the exercises section in the Chapter 7 Appendix and complete Numbers 1 and 2. Respond to all questions and sub-questions pertaining to this exercise.
Part 2
In Chapter 6 of your textbook, complete numbers 4, 8, and 12 from the Exercises section on pages 190 – 193.