Consumers process prices based on reference prices from prior experiences, communications, and other factors. They have lower and upper price thresholds for quality. Understanding how consumers perceive prices is important for marketing. There are three key factors: reference prices that consumers compare a given price to, such as typical or last prices; price-quality inferences where higher prices are associated with better quality; and price endings, as odd numbers and round numbers like 0 or 5 are easier for consumers to process and may influence perceptions of whether a price seems high or low.