I expect the software and music industries make a decent amount of profit, since the majority of their "product" is not a physical item that needs to be built. But I woudln't rank them that high on the second question because of that very same reason.
Many natural resources do require a bundle of money to process before you get to an end product - sand into silicon chips is an example that jethereal mentioned to me.
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timeasmymeasure
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Date: 2006-02-16 08:48 pm (UTC)Many natural resources do require a bundle of money to process before you get to an end product - sand into silicon chips is an example that