Scale of preference refers to the list of goods and services in order of priority that a consumer has when making choices based on their limited resources. It is an individual's ranking of wants and needs in order of importance, which guides decision making on how to allocate scarce resources. For instance, when a consumer wants to buy goods but is unable to afford all of them at once, they use their scale of preference to decide which goods to purchase first based on their level of importance. The list helps the consumer to prioritize their needs, allocate their resources efficiently, and satisfy their most urgent wants first.