Problem: Isha works in an office where she spends most of her day sitting at her desk using a computer. She's been experiencing neck and shoulder strain lately and wonders how she can adjust her workspace to alleviate the discomfort. Which adjustment would be most effective in applying ergonomic principles to Isha's workspace and reducing her neck and shoulder strain? Need Online Assistance? O A. Keeping her feet flat on the floor O B. Placing the keyboard and mouse at different heights O C. Lowering the monitor to eye level O D. Using a chair with no adjustable features