1.2 The different of age, education and income can affect to their satisfaction that according to the hypothesis because the age of customer that adult age and more be panic-stricken about their health that make them do not like fast-food, in teenager admire in fast-food because that comfortable for them. In lower income they think fast-food is expensive, but in higher income they love to consume fast-food. So the customer that different of age, education and income have different thinking.