Given: The table shown below, which lists the normal and crash durations, and costs for a project, comprising of seven activities, and the network diagram for said project. All durations are in days, and all costs are in dollars. The network diagram for the project is also shown below. Activity Immediate Normal Normal Crash Crash Predecessor Duration Cost Duration Cost ABCDEFC 6 100 4 500 10 200 A 3 50 B.C 4 150 G DOW 4 250 7 200 E 2 50 02437- 10 200 300 150 450 200 100 A A