at a time when demand for ready to eat cereal was stagnant, a spokesperson for the cereal maker in Kellogg's was quoted as saying for the past several years, our individual company growth has come out of the other fellows hide. Kellogg's has been producing cereal since 1906 and continues to implement strategies that make it a leader in the cereal industry each company earns profits of $13 billion. if one company advertises and the other does not, the company that advertises earns $49 billion and the company that does not advertise loses $1billion . For what range of interest rates could these firms use trigger strategies to support the collusive level of advertising? enter your response as a percentage rounded to the nearest whole number . I'm yet to receive any answer to my question above