I wonder if in that case you should explain the valid reasons for the variance in the section detailing the breakdown. Like you said, you might not get the opportunity to explain it and perhaps it could be a potential red flag.
Site's back up. Tentative to repost considering the comments above.
But here's direct link - he may even take questions if anybody wants to write in and submit - http://www.replyall.me/s/C-Ax