A proposed bridge on the interstate highway is being considered at the cost of 15 million dollars. It is expected that the bridge will have a life of 30 years. Construction costs will be paid by government agencies. Operation and maintenance costs are estimated to be $180,000 per year. Benefits to the public are estimated to be $900,000 per year. The building of the bridge will result in an estimated cost of $250,000 per year to the general public. The project requires a return of 5%. Determine the benefit/cost (B/C) ratio ?