Selling Product to Customers in Your Territory Who Then Ship

Selling product to customers in your territory who then ship it on to customers in another sales representative's territory:

A) is a legal way to hit your quota
B) is illegal and is punishable by fines and jail time
C) is unethical,but is permissible if the customer requests it
D) is unethical and is a form of stealing
E) is accepted and encouraged at the end of the sales quarter