Construct an “Activity on Arrow” network diagram, for the project.

 

Analyze the network to determine the earliest and latest event times and the minimum project duration. Indicate the critical path for the project.

What is the total estimated cost of workers and machines for the project?

Activity Predecessors Duration Workers needed (Days) ($50/Hour) A B C D E F G H I J K L M N A E B C F, G F, G D, H I I L 2 6 2 2 2 4 6 2 4 3 3 3 5 3 8 4 3 8 5 6 6 5 11 4 4 4 5 7 Machines needed ($100/Hour) 3 6 8 0 3 3 2 2 4 2 1 0 4 2 Percent completed after 6 working days 100 100 100 100 100 70 20 95 0 0 0 0 0 0