MCQ Practice Bangladesh 📖 Exempted level of income for paying tax by the National Board of Revenue in 2007-08 tax year is-- ... Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous Bangladesh earns maximum revenue by exporting to--- Next Fulbari coal mine is situated in which district?