Plagiarism is a very serious offense because it violates the intellectual property code. Published works have copyright with them. Punishments could range from paying an amount of money, suspension, or being taken to prison. This depends on what's written in the laws in your country. It is important to note that this is violating the law and it is considered as a crime.
You must pay two types of taxes on earned income: Social Security/Medicare taxes (called FICA, OASDI, or payroll taxes) and income taxes. The payroll taxes that are withheld from your paycheck have two components.