The link below has been marked as a bad link because it no longer seems to work.
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Prepare do be disappointed.
Bad Link:
https://bcf.usc.edu/~bwrobert/teaching/principles/homework/HW4.pdf
Or you can try to see if you can find it in the Internet Archive
web.archive.org/web/*/https://bcf.usc.edu/~bwrobert/teaching/principles/homework/HW4.pdf
