Which of the following statements about retailer marketing decisions is correct?

A$.$ Retailers do not differentiate themselves on their service mix.

B$.$ Stores do not need to differentiate and position themselves.

C$.$ Many retailers identify three critical factors for retail success: location, location, and location.

D$.$ Retailers do not have to segment and target their markets.

E$.$ Most retailers seek either high markups on higher volume or low markups on lower volume.