These mechanisms refer to carbon reduction schemes in developing countries, which allow firms to reduce their carbon emissions at the lowest possible price.

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If the chancellor were to ape the often cynical behaviour of big companies when faced with similar accounting dilemmas, he would probably choose the lowest possible price - of 407p.

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Build to the lowest price possible with tight margins and relying on the volume of sales to make up a decent slice of income.

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You'll also be hard-pressed to find a safari on a clearance rack, but if you want to do it for the lowest price possible, go during the hotter, rainier season in southern and central Africa between November and February.

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Studies show that drivers in the U.S. spend an average of eight minutes cruising for city parking, mainly so they can find a space free or at the lowest price possible within the shortest distance of their destination, according to Donald Shoup, a professor of urban planning at the University of California, Los Angeles.

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"I want to buy as much of everything as possible for the lowest price, " he says.

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