Which of the Following Statements About Developing Marketing Mixes for Services

Which of the following statements about developing marketing mixes for services is true?

A) The variability and perishability of services may require adjustments in marketing mix elements.
B) Marketing mixes for services are often different than those for products.
C) Elements of the marketing mix must be adjusted for the unique characteristics of services.
D) The intangibility and simultaneous production and consumption of services may require adjustments in marketing mix elements.
E) All of the above statements about developing marketing mixes are true.