Which of the Following Is True Regarding the Maturity Stage

Which of the following is true regarding the maturity stage of the product life cycle?

A) It is characterized by the adoption of products by early adopters and early majority.
B) Firms try to ride the sales trend and firmly establish the brand during this stage.
C) It is characterized by rising sales, increasing profits, and few competitors.
D) Most firms usually exit the market at this stage on account of low profit margins.
E) It is characterized by increased marketing costs, low profits, and market saturation.