Question 4 (25 marks) (a) Determine the critical path(s) and slack time for non-critical activities for the project as shown below time unit is "days). (5 marks) B EN z IS A 10 H 12 10 D M (b) Critically discuss why sometimes the use of sustained overtime may not be a good way to accelerate a belated project? Explain your answer with a suitable example. (8 marks) (e) Based on the example used in Part (b), explain why sometimes adding more human resources to a belated project can cause further delay? State also the conditions of introducing more human resources to speed up the progress. (8 marks) (d) Use an example to explain why and how a project would employ lag relationships between activities using "Start to Start": (4 marks) Rubrics and Marking: Totally 25 marks and each sub-question carries different marks. Marks for (a) will be given by students' ability to apply project scheduling techniques; marks for (b) will be given by students' understanding of the resource management concepts in expediting project progress, marks for (c) will be given by students' understanding of the resource allocation in speeding up project progress; and marks for (d) will be given by students' ability to explain the project scheduling relationship *******End of the Assignment*******