Please answer the question. Use own words

4. A project manager is using Project Network Diagram to perform critical path analysis. The diagram is represented as shown in Table 1 Activity number Activity name Duration in hours Predecessor Date/Location 1 2 Hotel booking 25 Arrival 15 On-site offers 20 On-site program 10 Send info to 1 2,3,4 participants Approval 30 5,6 8 Event start 5 7 a) Draw a network diagram representing the project b) What is the critical path for this project and how long does it take? c) What is the shortest time in which this project can be completed