Answer:
1
Explanation:
The Formula for calculating Slack Time is as below:
Slack Time = Latest Completion Time - Earliest Completion time
When Latest Completion Time = 6 ; Earliest Completion time = 5
Slack Time = 6 - 5
Slack Time = 1
Thus, the slack time for the activity is 1 . The essence of calculating this is to prevent delays in the project completion.
