Task C A builder contacted you for a project management work in order to plan a medium scale building project . He knew all the different activities of the job , their precedence and their average durations which he shared with you . They are shown on the table below . Activity Duration (Weeks ) Preceding activities A 1 None B 2 None C A and B C A NNWAN BW E D H F H Required: 1. Draw a network diagram and conduct the forward and backward pass . 2. State the duration of this project and the critical path . 3. Explain , without doing any calculation , what would happen to the project if the actual duration of activity A is two weeks . No more than 20 words . Note : The work for this task should be produced using Word drawing facilities . The forward and backward passes should be clearly shown on the diagram . Each activity should be described using the notation shown in class as follows : Activity name Earliest start time Earliest finish time Activity duration Latest start time Latest finish time