By September, Pink Floyd were having financial problems and urgently needed to produce an album to make money. Financial planners Norton Warburg Group (NWG) had invested £1.3–3.3 million, up to £ in contemporary value, of the group's money in high-risk venture capital to reduce their tax liabilities. The strategy failed when many of the businesses NWG invested in lost money, leaving the band facing tax rates potentially as high as 83 percent. "We made "Dark Side" and it looked as if we'd cracked it," recalled Waters. "Then suddenly these bastards had stolen it all. It looked as if we might be faced with huge tax bills for the money that had been lost. Eighty-three per cent was a lot of money in those days and we didn't have it." Pink Floyd terminated their relationship with NWG, demanding the return of uninvested funds. "By force of necessity, I had to become closely involved in the business side," said Gilmour, "because no one around us has shown themselves sufficiently capable or honest to cope with it, and I saw with Norton Warburg that the shit was heading inexorably towards the fan. They weren't the first crooks we stupidly allied ourselves with. Ever since then, there's not a penny that I haven't signed for. I sign every cheque and examine everything."