-Libertyville Has Two Optometrists, Dr

-Libertyville has two optometrists, Dr. Smith and Dr. Jones. Each optometrist can choose to advertise his service or not. The incomes of each optometrist, in thousands of dollars, are given in the payoff matrix above. Which of the following statements CORRECTLY describes Dr. Jones' strategy given what Dr. Smith may do?

A) Dr. Jones should advertise no matter what Dr. Smith does.
B) Dr. Jones should not advertise no matter what Dr. Smith does.
C) Dr. Jones should advertise only if Dr. Smith doesn't advertise.
D) Dr. Jones should advertise only if Dr. Smith advertises.