Full-Line Selling Is the Sale of Those Goods and Services

Full-line selling is the sale of those goods and services that are:

A) required as a part of the initial order a new customer places.
B) purchased by manufacturers and not by retailers.
C) designed as a line of associated products.
D) sold as additional products that are not directly associated with the initial product bought.
E) compulsorily more advanced and more expensive than the initial product bought.