(iii) Draw the Activity on Node network for the following project with time lag dependencies indicating clearly the earliest and latest start times, earliest and latest finishing times for each activity. Also state the critical path and project duration of the network. Activity A BCDE Time(weeks) Precedence Rules 3 6 2 4 3 F 3 none Starts at least one week after D has finished Starts after A has finished Starts at least one week after A has started Starts after C has finished, and at least two weeks after F has finished and finishes after B finishes Starts at least one week after D starts and finishes at least one week after D has finished (14 marks) (Total 80 marks)