3. Using the table below, draw the network diagram and answer the questions. When you have completed answering the questions, do a forward/backward pass. Activity Predecessor Estimate in weeks 5 A A - E.C D.B 1. How many paths are in the network, and what are they? 2. What is the critical path and its duration? 3. What is the float on activity B? 4. What is the impact to the project if activity C takes three weeks longer than planned? Do a forward and backward pass using the original estimates