The keys to maintaining a broad differentiation strategy are to

Select one:

A$.$

charge a premium price that more than covers the extra costs of differentiating features and to convince customers to be brand loyal.

B$.$

emphasize personalized customer service and to add as many differentiating features as possible.

C$.$

stress constant innovation to stay ahead of imitative rivals and to concentrate on a few differentiating features.

D$.$

keep prices close to the average of all rivals and to spend heavily on new product R&D$.$

E$.$

out$-$innovate and out$-$advertise rivals.