Statement (A): The marketing concept is a philosophy of business states that the consumer's want satisfaction is the economic and social justification of a company's existence, consequently all company activities in production, engineering and finance, as well as in marketing, must be devoted to, first determining what the customer's wants are end thus satisfying their wants while still making a reasonable profit.
Statement (B): Above statement refereed by Station.
Statement (C): Above statement is related with marketing concept.
Statement (D): Statement A has been defined under the book of fundamental of marketing.