The sheer scale of Ford's recent quarterly loss - $8.7bn - is difficult to understand. I know what you might be able to run for a hundred dollars a year (a laptop), a thousand dollars a year (a motorbike), even a million dollars a year (a small web design company), but what can you do Fordwith $34bn a year?

Well, according to the World Bank, you could run Tunisia... or Guatemala.

Yes, Ford's running costs are on a par with those of a small, developing country.

Now, any guesses which country's GDP General Motor's $15.5bn quarterly loss equates to?