quot;Food Maniaquot; is a chain of fast food restaurants located in major metropolitan areas in the south. Sales have been growing very slowly for...

"Food Mania" is a chain of fast food restaurants located in major metropolitanareas in the south. Sales have been growing very slowly for the last two years. Managementhas decided to add some new items to the menu, but first they want to know more about theircustomers and their preferences.(a) List two Hypothesis(b) What kind of research design is appropriate? Why?