Er, sometimes it's for tax reasons, sometimes it's for er, for, for, for erm, er, reasons such as last year when er, we wrote down our, our stake by some seventy one million erm, it was because at that point the financing for B Sky B was not yet er, at all clear because the shareholders had been unable to agree at that point erm, that they would guarantee the two hundred or so million that er, needed to go in before the er, project became successful and so there was a genuine doubt on the financing.