Which of the Following Statements State Valid Conclusions That Can

Which of the following statements state valid conclusions that can be reached from knowledge of the S- curve? Choose all that apply.

A) Diffusion patterns can be interrupted or reversed at any point.
B) Managers should not simply extrapolate next- year's sales from last- year's figures.
C) Innovations do not follow an inevitable process.
D) Diffusion is generally a rapid and even progress.