Which of the Following Statements Is NOT True

Which of the following statements is NOT true?

A) Value-adding supplementary services enhance the core offering.
B) People-processing services tend to be more demanding in terms of supplementary elements.
C) Possession-processing services often place heavy demands on safekeeping elements.
D) Supplementary elements do not assist in differentiation.
E) Companies competing on low-cost often offer fewer supplementary elements.