Note: For this problem, write down your analysis and the final results in a Word document. You can use Excel to help your calculation, but only submit the Word document. 1. A company decides to plan a project, with activities, precedences and deterministic durations given in the following table: Activity Duration Immediate i (days) Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F Answer the following questions: (a) (5 points) Draw an activity-on-arrow network to represent this project. (b) (10 points) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). (c) (10 points) The company wants to know if the project should be crashed. The Accounting Department found that expediting the project saves the company $100 per day, while the normal and expedited time and cost for each activity are given in the table below. Should the company crash the project? If so, how to crash and what is the total saving? Activity Normal Expedited Normal Expedited Time (days) (days) Time Cost Cost ($) ($) A 32 26 200 500 B 21 20 300 375 C 30 30 200 200 D 45 40 200 800 E 26 20 700 1,360 F 28 24 1,000 1,160 G 20 18 400 550