No one, not even the Soviets themselves, knew exactly how much it cost but it was a large enough figure that the best estimates about the Soviet defense burden have a margin of error of around 2% of GDP.

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Callaway argued that the KPMG approach was needed only if it had committed an error in setting up the fund--and that a change in return estimates wasn't an error.

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And yet the article does not mention to the reader that they are estimates and therefore any extrapolation of market share has an unknown margin of error is just wrong.

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