From: "Peña, Botp" <botp@...>
Date: 2007-07-27T13:42:43+09:00
Subject: Re: beginner Q.

From: Erik Boling [mailto:schmode93@yahoo.com] 
# 1.5 and -1.0 thing. It would be neat if it could just print *buy from 
# vendor #1" or "buy from vendor #2" *saying that you always 
# want to buy the cheapest, positives = vendor 2 is cheapest, negitaves,
# obviosly vendor #1 is the cheapest*

why don't you just compare their averages?

kind regards -botp