$3\mathrm{.}8$ Draw the AON $($activity on node$)$ project network chart complete with ES$,$ EF$,$ LS$,$ LF$,$ and Slack on the project activity nodes $(20$ points$)$

Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table:

a$.$

a$.$ Develop an AON network for this problem.

b$.$ What is the critical path?

c$.$ What is the total project completion time?

d$.$ What is the slack time for each individual activity? $[$