Last week I wrote that, far from the £32m most people think Stephen Hester has been paid since joining the Royal Bank of Scotland in 2008, the bank’s chief executive has actually received £7.6m.

One of the main points of the piece was to highlight the confusion caused by the pay schemes of the executive directors of big listed companies. Many of them are fiendishly complicated and it rather underlines the point that it is worth me writing a second piece to show how I came to my numbers.