A low-cost provider strategy can defeat a differentiation strategy when A. sellers are not charging a price premium. B. many rivals are pursuing a similar differentiation approach. C. a company can offset thinner profit margins per unit by selling enough additional units to increase total profits. D. there are few ways to differentiate a product or a service and many buyers perceive these differences valuable. E. customers are basically satisfied and don't think extra attributes are worth a higher price features.