Which of the Following Is Not a Buyer-Specific Barrier to Supplier

Which of the following is not a buyer-specific barrier to supplier development?

A) The buying company's purchase volume from the supplier does not justify development investment.
B) No immediate benefit to supplier development is evident to the buying organization.
C) Lack of executive support within the buying organization for supplier development.
D) Importance of purchased item does not justify development efforts.
E) Supplier's management agrees to improvement but fails to implement the proposals.