A is observing his employees for a while and realizes how much they move around and wants to clarify the limits and standards of their working behavior. However, before confronting his workforce he makes some research on work studies, its functions, advantages and disadvantages. Point out the disadvantages of work studies that A's workforce could eventually use as arguments against him in the conversation

It helps to achieve the smooth production flow with minimum interruptions.

It helps to reduce the cost of the product by eliminating waste and unnecessary operations.

Better worker-management relations.

Help to achieve better working conditions.

Better workplace layout.

All of the above

None of the above