The financial transaction rules may be based upon transaction amounts, aggregate spending amounts over a period, merchant categories, specific merchants, geographic locations, or the like.

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But from the standpoint of sustainability, ten-fold growth in Medicare would be easily manageable if we expected a ten-fold growth in aggregate inflation-adjusted worker earnings during the same period.

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Looking only at M2, the U.S. broad money aggregate, it has only risen 20% in that time period.

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Emerging markets saw a return on aggregate capital of 13.3% over the 1994-2003 period, compared with 7.8% in the G7 group of industrialised nations.

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A123 said that during a ten trading day period five months following the initial closing date of the transaction and during another ten day period six months following the close, it has the right to require the investors to buy in each such period up to an additional 6, 250, 000 shares for an aggregate of up to 12.5 million additional shares.

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