Assume two firms (A and B) competing in the tablets industry. Each firm has two possible strategies: "Advertise" or "Do Not Advertise". The payoffs associated with the different strategies are described below.

Firm B Advertise Do Not Advertise Advertise Firm A $4 million $4 million $20 million 51 million (Firm A) (Firm B) (Firm A) Firm B) Do Not Advertise $1 million $20 million $10 million $10 million (Firm A) (Firm B) (Firm A) (Firm B)