Raymond Trent is a sales representative employed by Computer Resources, a computer supplier that develops customer solutions that combine computer hardware, software, installation, and training. When he brings together many parts of the company's product mix in order to develop a custom$-$fitted solution, this product selection process is referred to as:

Question $3$ options:

A$)$ quantifying product features.

B$)$ quantifying product benefits.

C$)$ developing a product configuration.

D$)$ mass customization.

E$)$ establishing a product priority