What is the purpose of minimum wage laws
a. to allow teenagers to find their first jobs
b. to enable workers to support themselves and their families
c. to make sure that citizens don't lose jobs to immigrants
d. to protect employers from paying too much to their workers

b. to enable workers to support themselves and their families

Explanation:

Minimum wages are the set minimum amount that employers are expected to pay employees. Minimum wage laws make it illegal for employers to pay employees below the set minimum. The purpose or objective of minimum wage laws is to ensure that the compensation employees receive can afford them a  decent life.

In deciding the minimum wage, authorities consider the cost of living, inflation rate, among other factors. Opponents of minimum wage argue that minimum wages may bring about wage inflexibility, where a worker may be paid more than the value of their output.

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