Firms That Sell Industrial Goods in the International Market Should

Firms that sell industrial goods in the international market should focus on after-sales services because these services:

A) are almost always more profitable than the actual sale of the good itself.
B) require high levels of investment in training and development.
C) need to be heavily advertised.
D) cost the firm almost nothing.
E) cannot be outsourced to other companies and must be provided by the firm itself.