A nurse manager conducts rounds on the unit and discovers that expired stock medicine is still in ...

A nurse manager conducts rounds on the unit and discovers that expired stock medicine is still in the cabinet despite the e-mail that was sent stating that it had to be discarded.
 
  The staff nurse dress code is not being adhered to as requested in the same e-mail. Several staff nurses deny having received the e-mail. Which action should the nurse manager take?
  a. Close the staff lounge.
  b. Enforce a stricter dress code.
  c. Include the findings on each staff member's annual evaluation.
  d. Place a hard copy of announcements and unit policies in each staff member's mailbox.