Company W is a high-end electronics retail store and Company A is a mid-to-low-end electronics retail store. Company W has a competitive advantage through differentiation and Company A has a competitive advantage through cost leadership. Both companies having a competitive advantage in the electronics retail industry indicate that a. in order to evaluate whether Company W has a sustained competitive advantage, it is useful to compare it to Company A from a cost perspective. b. following a different generic business strategy within the same industry can lead to a competitive advantage for more than one organization. c. in order to evaluate whether Company A has a sustained competitive advantage, it is useful to compare it to Company W from a differentiation perspective. d. following the same generic business strategy can allow for two firms competing in the same industry to have a competitive advantage at the same time