The primary source of revenue for a wholesaler is

The financial network and clearinghouse that allows travel agencies to sell airline tickets is _______.

Fill in the blank(s) with the appropriate word(s).

In terms of a foundation and framework for ethical guidelines, the law:

A) involves maximizing pleasure and minimizing pain B) offers a version of philosophy based on the Golden Rule, which means do unto others what you would have them do unto you C) involves balancing a variety of urges throughout a person's life D) offers guidelines regarding right and wrong as well as what is acceptable and what is not acceptable, within a geographic area