There is a belief that all task durations can be altered by increasing or reducing the workforce on the task. Following this belief, one could compress the task duration by one$-$half by doubling the workforce. Which of the following supports this fallacy?

More is always better.

The compression of work into a shorter duration by more people may be inefficient

The skills may not be available to double the workforce

The process may not facilitate the additional personnel $($such as a sequential assembly operation$)$