Strategies That Would Be Appropriate for an "Out" Supplier to Follow

Strategies that would be appropriate for an "out" supplier to follow in dealing with a well-satisfied customer in a straight rebuy situation include:

A) attempting to gain a position on the organization's preferred list of suppliers.
B) demonstrating to the organization that the potential benefits of reexamining requirements and suppliers exceed the costs of doing so.
C) convincing organizational buyers that their purchasing requirements have changed or that the requirements should be interpreted differently.
D) all of the above
E) (b) and (c) only