A core competence:
A. retracts from a company's arsenal of competitive capabilities and competitive assets and is not a resource strength considered to be genuine.
B. is typically results-based, residing in a company's tangible physical assets on the balance sheet.
C. is often grounded in a single department's set of knowledge and expertise.
D. is an activity that a firm performs proficiently that is also central to its strategy and competitive success.
E. All of these.
Answer: is an activity that a firm performs proficiently that is also central to its strategy and competitive success.