According to Hunt et al. (2024), many businesspeople often think of Customer Relationship Management (CRM) as somewhere customers' data is stored. The author further attested that CRM does more than storing customers' information, as it provides key value to salespeople, especially when it comes to instant access to customer historical pricing data. 

Expand on this statement and  discuss three (3) CRM tools that can assist salespeople in their efforts to determine who are their most profitable customers and allowing them the ability to decrease acquisition costs.