A Writer Is Drafting the Conclusion of a Lengthy Process

A writer is drafting the conclusion of a lengthy process description explaining to consumers how a company's new voice-recognition product works. Which of the following elements would be least appropriate for the conclusion?

A) a brief review of the uses of voice-recognition technology
B) a sales message summarizing the benefits of the product
C) a short summary of the principal steps in the process
D) a brief discussion of the implications of the process