The Purpose of the Introduction of 3M Post-It^® Flag Highlighters

The purpose of the introduction of 3M Post-it^® Flag Highlighters was to

A) stay ahead of trends and focus its marketing program on only one segment.
B) stay ahead of trends and focus its marketing program on two mutually inclusive segments.
C) increase production economies of scale by reducing manufacturing and marketing costs for Post-it^® Flags and Post-it^® Notes.
D) preempt a competitive move by Sanford's Sharpie to introduce a similar product.
E) help college students with their studying.