Bee-Dove Pottery Used to Sell Finished Pots and Figurines by Local

Bee-Dove Pottery used to sell finished pots and figurines by local artists when its owner noticed that many of her customers were asking if there were any way that they could make and personalize their own pieces.Now she sells pottery blanks,and customers create pieces that exactly suit their needs.What is this an example of?

A) strategic planning based on creativity
B) the use of a BCG portfolio matrix
C) planning with the intent to challenge existing company assumptions
D) a designated single time frame during the year