The following paragraph was published in Science (2009) regarding a device marketed to analyze recordings of speech to ascertain the honesty of the speaker: "The London Borough of Harrow has used the technology since May 2007. 'In our view, it's been a great success, ' says spokesperson Fergus Sheppard, 'We estimate that we've saved pound 520, 000.' From May 2007 to January this year, the system flagged 189 callers as 'high risk', and 84 eventually had their benefits reduced, he says. In addition, of 1948 callers flagged 'no risk', 474 voluntarily admitted that their original claims were inflated when they were told that they were being evaluated by the system. 'They self-policed, ' Sheppard says. 'The system has a deterrent effect.'" Based on these statistics, A. Evaluate the efficacy of this technology for detecting lies: and B. State your conclusions from this report