A Competitive Strategy to Be the Low-Cost Provider in an Industry

A competitive strategy to be the low-cost provider in an industry works well when

A) price competition among rival sellers is especially vigorous.
B) there are few ways to achieve product differentiation that have value to buyers.
C) buyers incur low costs in switching their purchases from one seller/brand to another.
D) industry newcomers use low introductory prices to attract buyers and build a customer base.
E) All of these.