Please use the tabular analysis method only.

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1215 Consider the following network for a small maintenance project (all times are in days; network proceeds from node 1 to node 7): a. Draw an arrow diagram representing the project. b. What is the critical path and associated time? Network Job Activity Initial Node Final Node Optimistic Time Pessimistic Time Most Likely 2 4 3 A B C D E F G H I J K L 1 1 1 2 2 3 3 4 4 4 5 6 4 4 5 6 7 5 7 7 1 4 4 2 1 2 7 4 6 1 2 6 3 6 6 4 3 4 15 6 14 3 4 14 2 5 5 3 2 3 9 5 10 2 c. What is the total slack time in the network? d. What is the expected time for 68, 95, and 99 percent completion limits? e. If activity G had an estimated time of fifteen days, what impact would this have on your answer to part b