Read the following conversation and answer the question.

M: Do you rent rooms by the week? You see, I'm not sure whether we will stay for a whole month.

W: Well, it's 30 dollars a week, plus 10 dollars for electricity, but only 130 dollars a month inclusive.

Question: How much will the room cost for one month including electricity? 

- $ 140.

- $ 120.

- $ 130.


$ 130.