A gardener plants bamboo in order to make the roadside look more attractive. The bamboo spreads into his neighbour’s garden, and the neighbour then gets rid of it using a chemical spray. What cannot be concluded about what happened as a result of the planting?
- AIt increases external cost and external benefit.
- BIt increases private cost and private benefit.
- CIt increases social cost and social benefit.
- DIt increases social cost more than social benefit.