please solve is it A,B,C,D,E,F,G?

Over the last several months, seven different toll bridge designs have been proposed and estimates made to connect a resort island to the mainland of an Asian country. Location Construction Annual Income, in $100,000 Cost, $ Millions 14 4.0 6.1 10.8 8.0 7.5 3.9 9.3 12 18 A public-private partnership has been formed, and the national bank will be providing funding at a rate of 4% per year. Each bridge is expected to have a very long useful life. If one bridge design must be selected, determine which one is the best economically. Use B/C analysis. Location A Location B Location C Location D Location E