(50 points) An outer belt highway is being planned for a metropolitan area in Tennessee. The initial cost is estimated to be $170,000,000. Benefits to the public are expected to be $18,000,000 per year. Maintenance costs are estimated at $1,200,000 per year. The beltway will have to be resurfaced every 10 years at a cost of $7,000,000. The road is to be maintained indefinitely. The city's cost of funds is 8%. Based on maintaining the road in perpetuity, find the conventional benefit-cost ratio. Show your calculations in the space below