For a Particular Company Resource/capability to Have Real Competitive Power

Multiple Choice

For a particular company resource/capability to have real competitive power and perhaps qualify as a basis for competitive advantage, it should

A) be hard to copy, be rare and something rivals lack, be competitively valuable, and not be easily trumped by substitute resource strengths possessed by rivals.
B) be something that a company does internally rather than in collaborative arrangements with outsiders.
C) be patentable.
D) bean industry key success factor and occupy a prime position in the company's value chain.
E) have the potential for lowering the firm's unit costs.