A differentiation$-$based competitive advantage

A$.$ nearly always is attached to the quality and service aspects of a company's product offering. B$.$ most usually is the result of highly effective marketing and advertising. C$.$ requires developing at least one distinctive competence that buyers consider valuable. D$.$ hinges on a company's success in developing top$-$of$-$the$-$line product features that will command the biggest price premium in the industry. E$.$ often hinges on incorporating features that $(1)$ raise the performance of the product or $(2)$ lower the buyer's overall costs of using the company's product or $(3)$ enhance buyer satisfaction in intangible or non$-$economic ways or delivering value to customers on by differentiating on the basis of competencies and capabilities that rivals can't match.