Task Duration Estimates Immediate Predecessors

A $2$ days None

B $5$ days A

C $1$ day B

D $2$ days A

E $3$ days B and D

F $12$ days E and C

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b$-1.$ Identify the critical path.

b$-2.$ Identify the earliest start and finish.

b$-3.$ Identify the slack for each task.

c$.$ Which of these activities should the project manager track most closely?