All of these, Here both task A & B are on critical path. So all of these options are correct i.e, A and B has the same Early Finish and Late Start.
What is Critical Path?
The critical path is the longest sequence of tasks that must be completed in order to complete a project. The tasks on the critical path are referred to as critical activities because if they are delayed, the entire project will be delayed.
Finding the critical path is critical for project managers because it allows them to do the following:
Project managers use the critical path method (CPM) algorithm to define the shortest amount of time required to complete each task with the least amount of slack.
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