Ali is an engineer who was recently assigned as a project manager to build a private villa. He has developed the below table.

Code	Activities	Duration Days	Predecessors
A	Draw a draft for the villa design	5	No predecessor
B	Obtain the owners' approval	3	A
C	Assign the contractor	7	B
D	Assign the interior designer	4	B
E	Finalize the contract	5	D and C

Kindly assist Ali to do the following:

1. Draw a Network Diagram
2. Find the Critical Path
3. Find the Early Start and Early Finish
4. Find the Late Start and Late finish
5. Find the float