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:

a$.$

mass customization

b$.$

quantifying product benefits

c$.$

developing a product configuration

d$.$

quantifying product features

e$.$

establishing a product priority