if you advertise and your rival advertises, you each will earn 4 million in profits. if neither of you advertises, you will each will earn 10 million in profits. however, if one of you advertises and the other does not, the firm that advertises will earn 1 million and the non-advertising firm will earn 5 million. if you snd your rival plan to be in business for 10 years, what is thenash equilibrium? lets suppose you plan to be in business for infinite periods. how the equilibrium may or may not change if the interest rate is 5%? explain your answer in detail