Approaches to enhancing differentiation through changes in the value chain do not include

Select one:

A$.$

coordinating with distributors or shippers to lower shipping costs.

B$.$

collaborating with suppliers to improve many dimensions affecting product features and quality.

C$.$

coordinating with retailers to enhance the buying experience and building a company's image.

D$.$

coordinating with suppliers to speed up new product development cycles.

E$.$

coordinating with employees to create a greater incentive system to encourage worker productivity.