Question 1[7 marks] Given the information in table below and using the same approach we used in class and in the book: Activity Predecessor Duration (days) ES EF LS LF Slack None None 4 4 B, C D, E G, H a. Construct (i.e. draw) the network diagram b. Using the given table find each activity's ES, EF, LS, and LF (use the table) c. Calculate the slack for each activity (use the table) d. Find the critical path? (from the network in a) e. How long will the project take (i.e. the project duration)