The table below lists all activities for a construction project with their predecessors, duration in weeks and resources Activity Predecessor Duration (Weeks) ABCDEFGHLIM J K b) c) d) f) A B B D, E F. G H 3 5 1 1 7 6 4 3 6 4 3 Personnel Required Per Week 9 6 4 10 16 |an|00|m 2 3 7 Draw a Gantt chart for the above project. (4 marks) Determine the critical path and the minimum project time. (1 mark) Calculate the total floats for each non-critical activity. (2 marks) Allocate the resources for each activity and draw a histogram showing the weekly usage of resources. (2 marks) Assume that the maximum workers per week available for the project is 25. Identify any with resource over commitments. (2 marks) Apply resource levelling to ensure that the maximum resource required per week does not exceed 25 workers. Explain your solution