As Compared to the ISO 9000 Standards, the American Customer

As compared to the ISO 9000 standards, the American Customer Satisfaction Index (ACSI) focusses on:

A) differentiating a product based on its quality.
B) quality based on leadership, strategic planning, and customer and market focus.
C) the audit of a company's business processes in order to ensure quality.
D) results, that is, quality as perceived by product and service users.
E) the existence of a quality control system that can meet published quality standards.