Marketing issues such as​ advertising, image, and promotion are important to quality​ because:
A. the intangible attributes of a product​ (including any accompanying​ service) may not be defined by the consumer.
B. they make the product seem more valuable than it really is.
C. they raise expenses and therefore decrease profitability.
D. they define for consumers the tangible elements of a service.
E. they educate consumers on how to use the product.