$1.$ What $($using bullet points$)$ must a prospective employee prove to make a prima facie case against the employer for ADVERSE IMPACT?

$2.$ Next, what must the employer prove to successfully defend itself?

$3.$ What must the prospective employee prove to rebut the employer$$s defense after the employer defends?

$4.$ Binkie Bobson has always been a Civil Rights activist. She met her husband Bob Bobson at work and the two have been happily married for $5$ years and are known by co$-$employees as a happy, loving couple. Both work as at$-$will employees under the supervision of Beatrice Bettorenyew and have received good work evaluations. Lately at work, Binkie has been helping a group of Anarcticans, who she believes have been illegally discriminated against by the supervisor, Beatrice. Beatrice told Binkie not to cause trouble or things might be tough around there. Binkie, stubborn as she is$,$ stepped up her assistance. Beatrice announced that she would be laying off an employee, and laid off Bob, who had more seniority than several of the other employees in the same classification. Binkie has suffered no adverse employment actions. What recourse does Bob have, if any, as an at$-$will employee?

$5.$ Pontiac Pottery requires employees as a condition of employment to sign a standard waiver in which the employee agrees not to disclose her or his wages to other employees of the company. Is this legal? Yes or No$?$