Three simple questions that a manager should ask his or her employees periodically are $(1)$ What are you doing and why? $(2)$ What do you enjoy the most$/$least$?$ and $(3)$ What can I do to help you do your job better? Which statements are correct?

All the questions are correct.

Question $1$ is correct.

Questions $2$ and $3$ are correct.

Questions $1$ and $2$ are correct.

Question $2$ is correct.