How many of the 60 cars sold last

How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo? (1) Of the 60 cars sold, 20 had a stereo but not power windows. (2) Of the 60 cars sold, 30 had both power windows and a stereo. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient., Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient., BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient., EACH statement ALONE is sufficient., Statements (1) and (2) TOGETHER are not sufficient.