Several decades ago, The British and french governments agreed to jointly produce the concorde, a supersonic plane.After British taxpayers had spent 300 million (over 2 billion in terms of money today) to help develop the plane, the british government concluded that because this vast sum of money had been spent, any decision to cancel the plane was nonsensical and, consequently, the only reasonable decision was to finish the project.Does this reasoning make sense? Why or why not? (Incidentally the plane was finished and flew for 27 years before it was retired in 2003.