According to Research on Market Leaders' Customer Satisfaction Measurements (CSMs),which

According to research on market leaders' customer satisfaction measurements (CSMs) ,which of the following was determined to be a common aspect?

A) The customer satisfaction measurement programs and questionnaires are designed by customers.
B) The customer satisfaction measurement is handled by top management and the marketing department of an organization.
C) The customer satisfaction measurement includes evaluation of a company's satisfaction performance and excludes competitors' satisfaction performance.
D) Results of all research related to customer satisfaction measurement are made available to customers but not necessarily to employees.