please help. To answer the following question I need to use the information provided. Create a step by step crash plan using a network diagram of the high level milestones for each scenario. All information needed is provided!!!

PROGRAM EVALUATION AND REVIEW TECHNIQUE MILESTONES SCHEDULE ESTIMATE OPTIMISTIC MOST LIKELY | PESSIMISTIC | PERT ESTIMATE VARIANCE STANDARD DEVIATION 1. Airport Frequent 14 10 14 17 13.83 2.33 1.53 2. Antenna Placer 21 14 21 25 20.5 3.67 1.91 3. Frequency Sele 14 7 14 17 13.33 3.33 1.83 28. Ground Contre 21 15 21 26 20.83 3.67 191 29. Ground Contro 22 10 22 26 20.67 5.33 2.31 30. Cround Contre 29 29 35 29.5 3 173 31. Ground Contro 15 15 20 15.33 2.67 163 32. Ground Contre 5 5 4.83 167 1.29 33. Ground Contro 30 21 30 40 30.17 6.33 2.52 34. Ground Contre 20 20 27 20. 17 4.33 2.08 35. Ground Contro 15 12 15 21 15.5 3 1.73 36. Training 2 5 2.33 1.33 1.15 OVERALL DURA1 208 144 208 266 207 40.67 21.63