Which of the following is a seldom used strategic approach to setting a company apart from rivals and achieving a sustainable competitive advantage?

Select one:

1.striving to be the industry's low-cost provider, thereby aiming for a cost-based competitive advantage

2.focusing on a narrow market niche and winning a competitive edge by doing a better job than rivals of serving the special needs and tastes of buyers comprising the niche

3.outcompeting rivals on the basis of such differentiating features as higher quality, wider product selection, added performance, better service, more attractive styling, or technological superiority

4.developing competitively valuable resources and capabilities that rivals can't easily match, copy, or trump with capabilities of their own

5.copying the attributes of a popular product or service