A local hair salon is analyzing its customer data to determine the last time each customer visited the salon, if he or she purchased a hair care product, and how much money the customer spends on the salon's services and products. In essence, it is trying to determine its customers' profit potential so it can target them for marketing efforts. What data analysis tool is the salon using?

demographic value analysis

customer segmentation analysis

recency$-$frequency$-$monetary analysis

predictive modeling