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To: Win-Lose-Draw who wrote (85564)9/29/2009 12:12:35 AM
From: Kip S  Respond to of 213182
 
I think he's doing the math: if margin on A, B and C is 35%, and margin on A is greater than 50%, then one or both of B & C have margin of less than 30%.

The math needs to be redone then. If the margins on A are only 50% and the margins on B and C are 30%, then, in the simplest case where A=B=C=1/3

Total margin = 1/3(50%) + 1/3(30%) + 1/3(30%) = 36.67%


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