Which of the following statements accurately describes the four$-$fifths rule?

This rule of thumb identifies selection practices that favor a disproportionate number of nonprotected class members.

As a rule of thumb, it indicates the lower level of company performance experience by employers that allow sexual orientation discrimination.

Employers use it to identify protected class employees who receive unequal treatment.

Under the Immigration Reform and Control Act, this rule quantifies the number of immigrants an employer may hire.