Tahani and Chidi produce ties and belts. Chidi can produce a maximum of 120 ties or 40 belts and Tahani can produce 90 ties or 60 belts. They decide to specialize in their respective comparative advantage of production, and they agree to trade at a rate of 2 ties = 1 belt. If Chidi agrees to trade 50 ties with Tahani, which of the following represents Tahani's PPF and what she can have after trade?