Optional Bonus Problem 10 points The following is the activity list for a project: Activity Predecessor Normal cost Crash cost B D E F G H B B D E,F Normal duration (weeks) 3 5 4 6 5 7 3 4 Crash duration (weeks) 2 4 3 4 4 6 2 3 $12,000 $20,000 $16,000 $24,000 $20,000 $28,000 $14,000 $18,000 $24,000 $22,000 $20,000 $28,000 $24,000 $38,000 $20,000 $30,000 a. Draw an activity on node (AON) diagram to represent the project. b. Apply the critical path method and determine the following using the normal durations of the activities: C. Which activity or activities should be crashed and in which sequence to reduce the project duration by 2 weeks? d. What is the resulting total project cost? e. What is (are) the critical path(s) of the project after crashing? 00