In 2015, a company electrified the main railway line connecting two cities so that the journey time would be reduced. The project created a lot of noise, cost a great deal and needed a long time to finish. What is the most likely result of this project?
- AExternal costs increased and private benefits decreased.
- BPrivate benefits decreased and external cost decreased.
- CPrivate benefits increased and private costs increased.
- DPrivate costs increased and external costs decreased.