An efficient control system helps to :

All of the above

The correct answer is option 4- All of the above.

All of these are importance of controlling

* Accomplishing organisational goals- The controlling function measures progress towards the organisational goals and brings to light the deviations, if any, and indicates corrective action. It, thus, guides the organisation and keeps it on the right track so that organisational goals might be achieved.

* Judging accuracy of standards- A good control system enables management to verify whether the standards set are accurate and objective. An efficient control system keeps a careful check on the changes taking place in the organisation and in the environment and helps to review and revise the standards in light of such changes.
 
* Improving employee motivation- A good control system ensures that employees know well in advance what they are expected to do and what are the standards of performance on the basis of which they will be appraised. It, thus, motivates them and helps them to give better performance.