Question

Which sentence is punctuated correctly?

Rain poured in the open windows, through the sunroof, and even into the trunk.
Rain poured in the open windows through the sunroof and even into the trunk.
Rain poured in the open windows, through the sunroof and even into the trunk.
Rain poured in the open windows, through the sunroof, and, even into the trunk.

Answer 1

Rain poured in the open windows, through the sunroof, and even into the trunk.

Answer 2

Rain poured in the open windows,