Customers at Carat, a Premium Jewellery Store, Are Encouraged to Make

Customers at Carat, a premium jewellery store, are encouraged to make an appointment before a visit so that a customer service representative is assigned to them. These representatives help every customer make a purchase that meets his or her needs and budget after considering numerous options. The different styles and special features of the jewellery are explained to each customer to aid the purchase decision. In this case, Carat is an example of a(n) _ .

A) off-price retailer
B) convenience store
C) self-service retailer
D) supermarket
E) full-service retailer