2. All projects despite the size of the project, require some degree of planning. Critical Path Method (CPM) is a technique that can be used to plan projects effectively. (Slack and Brandon-Jones, 2019). Given below is a list of activities, predecessors and the duration of a project. Table 1: Project Activities Using the above information a. Develop the network diagram using Activity On Arrow (AOA) method and identify the critical path of the project. Determine the project duration. You may develop the network diagram manually and paste it as a figure to your portfolio. You are responsible for a clear presentation. (05 marks) b. Explain the usage of the critical path method to the above given industry in section 1. (10 marks)