A core competence

A$.$

is the foundation for an overall low$-$cost provider strategy

B$.$

refers to a company's most important intangible asset

C$.$

usually resides in a company's tangible assets

D$.$

usually resides in a company's technology and physical assets $($strong R&D capabilities, specialized technological expertise, state$-$of$-$the$-$art plants and equipment, attractive real estate locations, modern distribution facilities, and so on$).$

E$.$

is a competitively important activity that is central to a company$$s strategy and competitiveness