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Old 07-06-2009, 01:23 AM   #45
01-xtreme
RS.net, where our google ads make absolutely no sense!
 
Join Date: Dec 2003
Location: Burnaby
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X= retail price
r = increment amount
f = minimum final price

x = (f-.12)*.65/r + f

=> f = (rx+.078)/(.65+r)

don't bid less than f plus a couple bucks.
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