Consider the following data for a simultaneous move ggiven: If you advertise and your rival advertises, you will each earn 5 million dollar in profits. If one of you advertises and the other does not, the firm that advertises will earn $15 million in profits and the other will earn $1 million. If you and your rival plan to be in business for at least 10 years, then the Nash equilibrium is
(A) For each firm to advertise every year.
(B) For neither firm to advertise.
(C) For your firm to advertise and the other firm not to advertise.
(D) Described by none of the above.