Submitting Rate Quotations to __________ Involves a Complex Process

Submitting rate quotations to __________ involves a complex process. The complexity is the result of the millions of different commodities that are shipped, but also the numerous origins and destinations over which these commodities might move, as well as alternative routes that might be used in moving between any two specific origin-destination combinations.

A) buyers
B) carriers
C) traffic managers
D) shippers
E) suppliers