Two auto repair shops compete against each other in a community. Both are considering an increase in prices charged for car repair services. Their interdependent alternatives are described by the payoff matrix.

		Firm 2
		Increase	Not Increase
Firm 1	Increase	(9,16)	(8,15)
Not Increase	(10,14)	(7,9)

The optimal strategy for Firm 1 is to . (increase / not increase)

The optimal strategy for Firm 2 is to . (increase / not increase)

The Nash equilibrium payoff for Firm 1 is_______ , and for Firm 2 it is_______ .

Is this a prisoner's dilemma type game? (yes / no)