Olivia makes a negative statement about her employer on her social media account. Her manager sees it and fires her for violating the company's social media policy, which prohibits employees posting anything about the company or colleagues on social media. Olivia claims that she has a right to state whatever she wants on her own site and that she cannot be fired for this kind of conduct. Does Olivia have a valid argument?

a$.$ Yes, because the right to free speech is absolute$.$

b$.$ No$,$ because it is reasonable for a business to prohibit employees from saying bad things about the company.

c$.$ Yes, because federal labor law protects employees' rights to engage in concerted activities.

d$.$ No$,$ because businesses can impose any social media policy they desire.