What are internal controls? Do all companies need them? Why does a company need them? Explain some common internal

What are internal controls? Do all companies need them? Why does a company need them? Explain some common internal controls that a company might have in place. What are they designed to protect? What are the reporting requirements regarding internal controls in the Sarbanes-Oxley Act?500-750 words. This does not include title or references.If you use sources to support your discussion, please cite your sources.
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