Complex sentence: The JF-17 is expected to cost approximately US $15 million per unit and the Pakistan Air Force has a confirmed order for 150 JF-17's, which may increase to 250 aircraft.
Split into simpler sentences: The JF-17 is expected to cost approximately US $15 million per unit. The Pakistan Air Force has announced that it has a confirmed order for 150 JF-17's, which may increase to 250 aircraft.