Repeat the previous problem, but now keep track of the following outputs in your data table: the project completion time and the slack for each activity. As the duration of activity D changes, do any...

Repeat the previous problem, but now keep track of the following outputs in your data table: the project completion time and the slack for each activity. As the duration of activity D changes, do any critical activities become noncritical? Do any noncritical activities become critical?