Which statement is true regarding which factor intensifies or weakens rivalry in the wholesale club industry?

Rivalry is centered on product quality and selection.

Factors acting to weaken the rivalry in the wholesale club industry are the weak to modest degree of product line differentiation.

Factors that will intensify rivalry include the differentiation that exists from club to club $($as concerns shopping ambience, product selec merchandising, and convenient access to store locations$).$

Factors acting to intensify the rivalry in the wholesale club industry include the low switching costs on the part of consumers $($member fees are very similar from club to club$).$