Design, implement, and test the subsystem for pur- chase orderprocessing described in Section 16.5.4. Assume that there are threelevels of approval au- thorities: project manager, engineeringdirector, and cooperate finance. They can approve each purchasethat is within $10,000, $100,000, and $1 million, and not to exceeda total of $100,000, $1 million, and $10 million per year,respectively.
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