Which of the Following Statements Is Incorrect

Which of the following statements is incorrect?

A) Products may be unprofitable in the introduction phase of the product life cycle.
B) The stage that a product is at in the product life cycle depends solely on how long the product has been in the market.
C) The new product development phase of the product life cycle can involve substantial costs for an organisation.
D) In the maturity phase of the product life cycle, sales will most likely peak or start to fall.
E) None of the options listed.