PFI alert (part 1 million). The Audit Commission reveals that billions are wasted by the public sector on private contracts. It cost £4.26 to cut a key. Or then again it might cost £47.78. It costs £30.81 to change a lock in Halifax and £398.30 in Blackburn. An electrical socket costs £30.81 in Kirklees and £302.30 in Wirral. Ever got the idea you’re being had?