Visit and observe three restaurants, cafs or somewhere that food is served. Compare them in terms of

Visit and observe three restaurants, cafés or somewhere that food is served. Compare them in terms of the volume of demand that they have to cope with, the variety of menu items they serve, the variation in demand during the day, week and year, and the visibility you have of the preparation of the food. Think about/discuss the impact of volume, variety, variation and visibility on the day-to-day management of each of the operations and consider how each operation attempts to cope with its volume, variety, variation and visibility.