Question: 1. Use the information in the following table to answer the questions. All times are in days. Activity Predecessor A B C D E

1. Use the information in the following table to answer the questions. All times are in days. Activity Predecessor A B C D E F G H None None B A, C A, C B D E, F Normal Normal Cost Crash Time Crash Cost Activity Slope Time 5 4 7 23856 2 5 6 $50 40 70 20 30 80 50 60 3 2 6 1 0 5 4 3 $150 200 160 d) Find the optimal way to attain a 16-day delivery. What is this cost? e) Calculate the shortest delivery time. What is this cost? 50 0 290 100 180 a) Draw the network and find the critical path, time and normal cost. b) Calculate the Activity Slope for all activities (partial crashing is allowed) c) Find the optimal way to attain an 18-day delivery time. What is this cost?

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