Which of the Following Holds True for the Term Services

Which of the following holds true for the term services?

A) It refers to the tangible customer benefits that are produced by people or machines and can be separated from the producer.
B) It refers to the intangible customer benefits that are produced by people or machines and cannot be separated from the producer.
C) It refers to the overall sacrifice a consumer is willing to make in terms of money, time, and energy in order to acquire a specific product or service.
D) It refers to thoughts, opinions, philosophies, and intellectual concepts that also can be marketed.
E) It refers to the groups of people who need or want a company's products or services and
Have the ability and willingness to buy them.