In this question, you are required to apply the steps of project planning using Critical Path Method $($CPM$).$

$1.$ The project presented in this question involves the task of building a network security lab for a software company.

$2.$ For each task in this project, Table $1$ below is a list of tasks associated with

$-$ Duration $($in days$)$ and

$-$ Immediate predecessor$($s$)$

Note $-$ For the following questions below:

$1.$ Draw your AON diagram using computer$-$based shapes $($circles$,$ rectangles, directed arrows$).$

a$.$ Handwriting is prone to misunderstanding and is therefore NOT allowed for this assignment.

b$.$ Your AON diagram will ultimately be less complex with minimum overpassing lines.

c$.$ "Manually draw" in this assignment refers to students NOT using a Project Management tool such as IBM Rational Software Architect, Microsoft Project, etc.

$2.$ Draw and calculate everything yourselves, and DO NOT have the Project Management tool do it for you.

Table $1$: