Experience: A considerable amount of work-related skill, knowledge, or experience is needed for these occupations. For example, an accountant must complete four years of college and work for several years in accounting to be considered qualified.
Education: Most of these occupations require a four-year bachelor's degree, but some do not.
Training: Employees in these occupations usually need several years of work-related experience, on-the-job training, and/or vocational training.
When the U.S. Constitution was written, the federal government was not allowed to collect income tax. All revenues came from trade tariffs. The 16th Ammendment later permitted federal income tax.
Did you know...
The MyPlan.com Industry Database provides detailed profiles on 77 different U.S. industries.