Joe, a user, reports that his neck and back are hurting after being at his desk for the whole
day. Which of the following are the possible causes of the problem? (Select TWO).

A.
The chair is not properly adjusted to Joe’s needs.

B.
Joe is not using a wrist rest with the keyboard.

C.
The monitor height is not adjusted to Joe’s needs.

D.
The keyboard is not ergonomic.

E.
The monitor does not have a screen protector.