All of the Following Are Aspects of Trader Joe's Customer

All of the following are aspects of Trader Joe's customer experience except

A) it has a large and expensive research and development facility.
B) it offers unusual food products not available from other retailers.
C) it stocks yuppie-friendly staples on its shelves.
D) it sets low prices by offering its own brands, not national ones.
E) it provides rare employee "engagement" to help customers.