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<p>[QUOTE=&quot;V. Kurt Bellman, post: 2290195, member: 71723&quot;]I honestly have no idea how anybody tells the difference between a change in PM&#039;s and the opposite change in the currency being looked at. There is NO fixed yardstick by which to measure things, and that takes some getting used to. More art than science.[/QUOTE]</p><p><br /></p>

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