On such class was of professional traders known as Pochteca who travelled throughout the empire, taking goods and information from place to place. These Aztec traders were not only central to Aztec economy but also acted as the foremost network of communication between different parts of the empire.
The average pay for a Proofreader is C$43,178 per year. Most people with this job move on to other positions after 20 years in this career.
United States Postal Worker (Mail Processing Clerk) Salary Statistics as of 2015. Average annual salary for a United States Postal Worker (Mail Processing Clerk) is $40784 based on statistics in the U.S. as of 2015. The highest salary recorded was $54952. The lowest salary reported was $22168. These figures will vary on a state to state basis as these are averages across all 50 states.