3. In some situations, an activity cannot start until a certain time after the end of its predecessor and the waiting period, commonly known as a __________. (2 Points) a) Lag b) Lead c) logical relationship d) dependency 4. Total float must be equal to or greater than free float. (2 Points) a) True b) False 5. Following a schedule compression analysis of various tasks, the tasks with the highest cost per unit of time (workday) should be shortened first. (2 Points) a) True b) False