Answer:
b. Marketing decisions and activities focused on achieving long-term, satisfying relationships with customers
Step-by-step explanation:
Relationship Marketing is a subset of Customer Relationship Marketing (CRM), which involves the building of customers loyalty on a long term basis, by improving internal operations to satisfy customers, as well as retaining customers. It builds on customer acquisition and individual sales, by going further in ensuring a satisfying long-term relationship with customers through marketing decisions and activities. This would help in retaining customers and make them loyal to a brand.