What happens if an employer does not rebut the employee's prima facie case of disparate treatment discrimination? Question 4 options: a) Establishment of the prima facie case in effect creates a presumption that the employer unlawfully discriminated against the employee. b) If the trier of fact believes the plaintiff's evidence, and if the employer is silent in the face of the presumption, the court must enter judgment for the plaintiff because no issue of fact remains in the case. c) Both a and b. d) None of the above