24. Consider the following activity information and the constraint that the project must be completed in 16 weeks. Duration (weeks) Preceding Activity Activity 10 D, E, F In addition, activity C may be crashed to 7 weeks at a cost of $40, activity F may be crashed to 6 weeks at a cost of $20/week, activity H may be crashed to 2 weeks at a cost of $10/week, and activity I may be crashed to 3 weeks at a cost of $30/week. Find the best schedule and cost