consider the following information for a simultaneous move game: two discount stores (megastore and superstore) are interested in expanding their market share through advertising. the table below depicts the strategic outcomes (profits) of both stores with and without advertising. superstore advertise don't advertise megastore advertise $105, $90 $305, $45 don't advertise $85, $295 $155, $105 what is the equilibrium payoff for the stores?