QUESTION 4 (20 Marks) Using the information in the table below, assuming that the project team will work a standard working week (5 working days in 1 week) and that all tasks will start as soon as possible: Task Description Duration (Working Days) Predecessor/s A Requirement Analysis 4 - B Systems Design 12 A C Programming 20 B D Telecoms 6 B E Hardware Installation 23 B F Integration 7 C, D G System Testing 13 E, F H Documentation 2 G I Training/Support 5 H J Handover and Go-Live 3 H K Maintenance 3 I, J 4.1 Determine the critical path of the project. (6 marks) 4.2 Calculate the planned duration of the project in weeks. (6 marks) 4.3 Identify any non-critical tasks and the float (free slack) on each. (8 marks)