Which of the following shows an example of a cost-benefit impact?(1 point)

Responses

Turning down the lights in a room even though it makes it harder to see.
Turning down the lights in a room even though it makes it harder to see.

Wearing a heavy coat because it is warm and the coat has a hood.
Wearing a heavy coat because it is warm and the coat has a hood.

Buying a reusable water bottle that is expensive but helps the environment.
Buying a reusable water bottle that is expensive but helps the environment.

Using a pencil instead of a pen because you can erase mistakes.