Vour university needs to prepare a graduation ceremony plan for its graduating students. The following information describes the relationships between the activities that need to be completed for this banquet. Assume that the Public Relations Manager was able to estimate the number of weeks needed to complete each activity as follows. Draw the network diagram of project activities (5) Which activities form the critical path? (5) What is the length of the whole project? (5) Calculate the ES, EF, LS, LF and slack for all activities (10) Vour university needs to prepare a graduation ceremony plan for its graduating students. The following information describes the relationships between the activities that need to be completed for this banquet. Assume that the Public Relations Manager was able to estimate the number of weeks needed to complete each activity as follows. Draw the network diagram of project activities (5) Which activities form the critical path? (5) What is the length of the whole project? (5) Calculate the ES, EF, LS, LF and slack for all activities