Which of the following factors would make it more difficult for a seller in the market for coffee to collude successfully with his rivals?
A) The coffee market includes a small number of firms.B) Firms in the coffee market place a very high value on profits earned in the present but discount significantly future profits.C) Coffee consumers are very loyal.D) Prices in the coffee market are relatively stable and do not change often.E) The antitrust agencies shut down and stop looking for cartel activity.