Exercise 1: Project Schedule Planning. Draw a network diagram, and answer the following questions. (Note: Network diagram can be drawn on a paper, scanned, and attached to your final assignment document.) You are the project manager for a new project and have figured out the following dependencies A. Activity 1 can start immediately and has an estimated duration of 2 weeks. B. Activity 2 can start after activity 1 is completed and has an estimated duration of 4weeks. C. Activity 3 can start after activity 2 is completed and has an estimated duration of 5 weeks. D. Activity 4 can start after activity 2 are completed and has an estimated duration of 2 weeks. E. Activity 5 can start after activity 3 and 4 are completed. This activity takes 4 weeks. 1. What is the duration of the critical path? 2. What is the critical path? 3. What is the float of activity 3? 4. What is the float activity of 4? 5. The resource working on activity 4 is replaced with another resource who is less experienced. The activity will now take 4 weeks. How will this affect the project