Please show all work and solve correctly

2. [12 marks] PoutineWay is building a new restaurant. The table below summarizes the major activities in the construction project. The notation for the activities shows the beginning and ending nodes: a) Draw the PERT chart for this project. Use it find the critical path and the earliest possible completion time. b) What is the maximum number of required workers on any day if all the activities are started as early as possible? c) Is it possible to complete the project on time if the construction company has access to only seven workers per day