14 A. For the above production possibilities curve, is point X efficient? What about point C? 14. B. For the above production possibilities curve, if we produced more WINE, we would state the opportunity cost in terms of _______. 14. C. For the above production possibilities curve, are the inputs perfectly substitutable or not? 14. D. For the above production possibilities curve, can we produce at points A, B, and C AT THE SAME TIME? 14. E. Why CAN’T we produce at point Y right now? What might enable us to produce at point Y later?
