A Brief History of PRG -, page-39

It is up to the BOD to value their assets correctly not the market. If they can't sell the Skilled division today for what they paid for it then they should impair the goodwill amount so that the Skilled division is closer to a net realizable value - it ain't going to be exact but they should recognise that the asset value is now overstated as it's not earning anything like it once did so take the auditors advice and take the hit.