A company must perform a maintenance project consisting of seven activities. The activities, their predecessors, and their respective time estimates are presented below: 
Using CPM, which activities have slack in this project?
Definitions:
Prejudice
A preconceived opinion or judgment towards people or ideas without proper knowledge, fairness, or reason.
Discrimination
Unfair or prejudicial treatment of individuals or groups based on characteristics such as race, gender, age, or sexual orientation.
Cultural Orientation
The inclination of individuals or groups towards certain beliefs, practices, and priorities shaped by their cultural background.
Baby Boomers
The demographic group born approximately between 1946 and 1964, known for experiencing significant political, economic, and social changes.
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