How Does KM Enable a Sustainable Competitive Advantage

How does KM enable a sustainable competitive advantage?

A) Knowledge needed to effectively exploit resources must be learned, which takes a long time to duplicate.
B) Knowledge-based products are difficult to imitate due to copyright and patent laws.
C) Knowledge-enabled improvement in process efficiency produces a large return on investment (ROI) .
D) Employee job satisfaction is difficult to replicate across organizations.
E) Staying informed of changing business circumstances improves employee adaptability.