So two songs sold in one transaction start to make Apple a profit.

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The concern from the start has been that a transaction tax would drive financial business into friendlier jurisdictions.

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The team had great data on transactions and behavior, since the start-up operates through a web site and requires detailed transaction info.

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Bank examiners start to ask bankers: Why do you have so many highly leveraged transaction loans?

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Most got their start on Taobao, where barriers to entry are almost nonexistent because the site collects no membership or transaction fees.

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