Question

Total slack is calculated for each of the activities by finding the difference between
a. the ES of the activity and the LF of the activity or the difference between the EF and LS of the activity.
b. the EF of the activity and the LS of the activity or the difference between the ES and LF of the activity.
c. the EF of the activity and the LF of the activity or the difference between the ES and LS of the activity.
d. the ES of the activity and the LF of the activity or the difference between the ES and LF of the activity.

Answer

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