The Bruce Highway (from Cooroy to Curra) is currently being upgraded. The total expense of the project is 1.6 billion dollars and the federal government has contributed 1.1 billion of those dollars whilst the Queensland State Government has contributed the remaining 500 million dollars. If the only people to receive any benefit from the highway are those that use it, and the users are estimated to drive 21 million trips per year, over the next 5 years, what is the minimum the users must value each trip if the project is to be efficient