In the context of critical path analysis (CPA), answer the following questions. Illustrate your answers with practical examples. i. What is the critical path? [30 marks] II. Two activities in the critical path are delayed by, respectively, 2 and 3 days. What are the [30 marks] implications of that in the project? iii. A given path of activities in a project is 10 days long, i.e. the sum of the expected times to complete each of the activities (durations) belonging to this path is 10 days. What can be [20 marks] said about the completion time (duration) of the entire project? iv. Explain what 'crashing' means and how a project manager would approach the decision around what activities to 'crash' [20 marks]