Option a) cannot be inferred as it is contrary to the theme of the passage. Officials compromise on their duties for personal gain and not for the benefit of the people.
Option b) cannot be inferred as the passage does not mention any such thing about officials at higher posts.
Option c) cannot be inferred because the passage does not mention anything about increase in petty crime.
Option e) cannot be inferred because the passage does not urge people to take responsibility. Option d) can be inferred from the sentence: ". In turn, officials more than recover these costs by charging the public petty bribes".
Hence, the answer is option d).