Which of the following statement regarding the dimension of quality is not correct? Select one: a. Timeliness is the speed with which service is delivered. b. Perceived quality is a subjective evaluation of quality (e.g., reputation, image). c. Responsiveness is the ability of the server to help customers in unusual situations and to deal with problems. d. Performance means how well a product corresponds to its design specification. e. Assurance is the ability of the server to convey trust and confidence; service guarantee.