Why are there such great differences in the wages and salaries paid to different people

The biggest reason is the difference in amount of work required for the job paying the wage. For example, a rocket scientist might earn more than the manager of your local Walmart, which has a generally lower pay grade, and requires less physical, mental and emotional effort.

Hope this helps!

yes one you just payed maybe 10.50 an hour and the other one os like 40.25 an hour

Explanation:

answer; collective security;