Microsoft, Sony, and Nintendo Are the Three Principal Firms in the Video

Microsoft, Sony, and Nintendo are the three principal firms in the video game console market. How much price competition is likely for video game makers?

A) There is almost none; the market sets the price.
B) There is vigorous competition and common price wars to drive small competitors out.
C) There is generally a price leader that sets the price.
D) Each firm is aware of each other's prices and may adjust prices accordingly.
E) Price is set by the seller but regulated by the government.