You do everything you can to control raw materials prices, hedging gets you a lot of the way there, but what happened to commodities prices in the mid-2000&#x27;s was completely unprecedented. After holding pretty much steady for the previous 25 years, from 2002 to 2008, the price of steel <i>tripled</i> on worldwide markets.<p><a href="https:&#x2F;&#x2F;research.stlouisfed.org&#x2F;fred2&#x2F;graph&#x2F;fredgraph.png?g=28Fu" rel="nofollow">https:&#x2F;&#x2F;research.stlouisfed.org&#x2F;fred2&#x2F;graph&#x2F;fredgraph.png?g=...</a>