Assuming the PPC does not shift, which of the following is true? A B D Grapes Juice (Lirs.) 2222 28 22 16 9 22 13 7 0 1 2 g G 3 4 Wine (lirs.) Point A is desirable but is inefficient 5 Point G is desirable and attainable Point D represents a more efficient allocation of resources than points A and F. Point H is desirable but is not attainable. 7