The local council calculated the costs and benefits of running a bus service in 2015 and 2016. The figures are shown in the table. 2015 $000 2016 $000 private costs 2000 2200 external costs 500 900 private benefits 1500 2300 external benefits 1000 800 What conclusion can be drawn from the table?
- ABetween 2015 and 2016, social costs fell and social benefits rose.
- BBetween 2015 and 2016, social costs rose and social benefits fell.
- CIn both years, positive externalities exceeded negative externalities.
- DIn both years, social costs equalled social benefits.