Buck,
W&B is so critical, that as an A&P, I can either do it for you, or inspect what you've done on site. To talk one through remotely, is to invite mistakes.
So,...I will refer you to the "holy grail" of reference material on the subject....
http://www.faa.gov/library/manuals/a...-H-8083-1A.pdf
It's quite comprehensive,..you've just got to love Uncle Sam!