Identify the true statements about disparate impact.

Multiple select question.

It is enough under Title VII that the procedures of performance appraisals be fair in form, however unfair it is in operation.

There is a presumption of discrimination where the selection rate of the protected group is more than $80$ percent of the selection rate of the rest.

Prevention of unintentional discrimination against some employees can lead to perceived intentional discrimination against others.

An employer may defend a performance appraisal system causing disparate impact by showing a reasonable need and means to ensure fairness