In each question below, a sentence is given with a part of it being bold. That part may contain a grammatical error. Each sentence is followed by phrases 1), 2), 3) and 4). Find out which phrase should replace the phrase given in underlined form to correct the error, if there is any, and to make the sentence grammatically meaningful and correct. Airlines companies pay nearly 25 billion dollars for their right of fly over than their parent country.