a) Sketch the network diagram with related attributes (10 points)b) Calculate the related paths in the network diagram, identify the critical path and calculate the total duration of the project (10 points)c) Calculate the total slack using forward pass and backward pass. Sketch the new network diagram with each specific Early Start, Early Finish, Late Start and Late Finish. Fill the total slack in the above table (NOTES: Please use '0' to start the date) - (10 points) (Please answer and elaborate using detailed explanation)

4. PROJECT ORGANIZATION STRUCTURE (20 points) Mr. Honeywell is an IT manager in a textile manufacturing company. He got an assignment to upgrade the existing IT system in their department. He proposed to his superiors to do this upgrade as a project. Mr. Agus formed a project team consisting of several staff under his coordination, and divided the work tasks according to their respective expertise, without requiring coordination from other departments in the company. Question: a. Define types of project organizations and explain the purpose of setting up those organizations in a project (7 points) b. What type of project organization should Mr. Honeywell choose? Explain why he should choose the project organization. [8 points) c. If the company has an IT department, production department, finance department and HR department, draw and explain the organizational structure and project structure (5 points)