Consider the following pay-off matrix, showing monthly profit in thousands of dollars. The two firms compete in a fast food environment in which two strategies are considered: Strategy one (S1) is Low price, little advertising; S2 is high price, heavy advertising. The first number in each cell represents profit for McD. a) Does McD have a dominant strategy? If yes, what is it? Does BK have a dominant strategy? If yes, what is it? c) Is there a Nash equilibrium? Explain. b) McD SI S2 SI 60, 55 68,60 BK S2 56, 75 60, 70