Answer:
b. Due process has not been followed by the employer.
Explanation:
In the workplace when there is a case that could lead to dismissal, it requires the employer to first of all carry out an investigation to determine what actually happened. The facts could differ from the claims made against her.
She should also be allowed to to explain herself, this could lead to get exonerating herself or disclosing relevant information the employer did not know.
Amber can take legal action against the employer for not following due process in firing her.