Last updated: 11 june, 2010 - 12:20 GMT

The cost of power

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The sound of Lagos is a generator.

Outside every establishment there is one of these chuntering machines guzzling diesel and petrol in return for electricity.

When the lights go out as they do several times a day, businesses are forced to turn them on.

But they are expensive.

BBC Business Daily's Stephen Evans spoke to Atiko Qudus Ayoola owner of Ayo's hair salon about how he is affected.

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