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The H1-B visa classification is available for employers under what circumstances?

a. When they want to convert illegal immigrants to legal status. b. When they need to use nonimmigrant aliens to work temporarily to fill vacancies for which there are not qualified workers available in the U.S. c. The company wants to help immigrants find work in the U.S. d. The company wants to do business abroad and needs to take employees from the U.S. with them to start up operations.

Explain the concept of opportunity cost, giving at least one example from your life

What will be an ideal response?