2 Are the hamburgers prepared to order, or are they prepared ahead of time and delivered from a storage bin? Visit at least two different fast-food restaurants that make hamburgers. For example, in the United States McDonald's, Wendy's, and Burger King are good choices. For some of you fast- food junkies, this will not be difficult; vegans may have to take a friend for product testing. Observe the basic operational differ- ences between these stores. Note the differences in the following processes: