Place a check next to each of the choices that describe an example of proper ergonomics. (more than 1 answer)

a. Monitor brightness is equal to room brightness

b. Sit in chair, leaning forward at a LaTeX: 45^\circangle

c. Feet are flat on the floor

d. Arms bent at a LaTeX: 90^\circ angle with fingers resting on the home row keys.

e. Wrists are resting on the desk