Which of the following is necessarily a problem with antitrust laws?

Question $7$Select one:

a$.$

They may target a business whose practices appear to be anti$-$competitive but in fact have legitimate purposes.

b$.$

They may encourage firms to collude and reduce social welfare compared to the unregulated market.

c$.$

They reduce the effectiveness of the market to self$-$regulate.

d$.$

They are enforced by agencies whose self$-$interest contradicts the interests of society as a whole.