500 500 450 450 Betty's PPF 400 Alice's PPF 400 350 350 300 300 250 LEMONADE 250 LEMONADE A B (180, 180) 200 200 150 150 100 100 50 50 50 100 150 200 250 300 350 400 450 500 50 100 150 200 250 300 350 400 450 500 PIZZAS PIZZAS Figure 3-4 Refer to Figure 3-4. If point A represents Alice's production and point B represents Betty's production, a. Only Alice can benefit from specialization and trade. O b. Alice produces 100 pitchers of lemonade and 200 pizzas, while Betty produces 180 pitchers of lemonade and 180 pizzas. c. Alice produces 180 pitchers of lemonade and 180 pizzas, while Betty produces 200 pitchers of lemonade and 100 pizzas. O d. Alice produces 200 pitchers of lemonade and 100 pizzas, while Betty produces 180 pitchers of lemonade and 180 pizzas