A company's biggest vulnerability in employing a best-cost provider strategy 
A. relying too heavily on outsourcing. 
B. getting squeezed between the strategies of firms employing low-cost provider and high-end differentiation strategies. 
C. getting trapped in a price war with low-cost leaders. 
D. being too timid in cutting its prices far enough below high-end differentiators many of their customers. 
E. not having a sustainable distinctive competence in cost reduction.