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:

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)

\begin{tabular}{|l|l|l|l|} \hline Task & Description & Duration (Working Days) & Predecessor/s \\ \hline A & Requirement Analysis & 4 & - \\ \hline B & Systems Design & 12 & A \\ \hline C & Programming & 20 & B \\ \hline D & Telecoms & 6 & B \\ \hline E & Hardware Installation & 23 & B \\ \hline F & Integration & 7 & C, D \\ \hline G & System Testing & 13 & E, F \\ \hline H & Documentation & 2 & G \\ \hline I & Training/Support & 5 & H \\ \hline J & Handover and Go-Live & 3 & H \\ \hline K & Maintenance & 3 & I, J \\ \hline \end{tabular}