Question: Which one of the following statements is closest to the concept of "churn rate" as discussed in the course text, in the context of a retailer? Question options: The rate at which customers defect to competitors from a retailer The rate at which customers defect from competitors to the retailer The turnover of a high number of defecting customers from a retailer The turnover of a high number of new customers to a retailer's franchise The rate at which customers leave and enter the retailer's franchise