A project manager is managing a project during the planning phase.

She chooses to use a precedence network diagram as a graphic planning tool to assist in making the project schedule. The most important reason for using the network diagram as a graphic planning tool is that it makes it easier to see which aspect of the project plan better than the other tools available?

a. The probability that the tasks will be completed on time

b. The logical relationships between activities in the schedule

c. The start and finish dates of the activities

d. The float between activities