The following data shown in Table $1$ contain activities for planning a site in the Royal Sun and the activity time estimates. In addition, the precedence relationships between activities are included. You are expected to investigate the role of project network using CPM and PERT analysis. You are expected to develop a CMP$/$PERT network for this project and determine the expected project completion time $($AOA or AON can be conducted$).$ You are also responsible to prepare a report for your chief project manager and this report needs to address the concerns of the following: