1. Help with question 1 please
2. 

1. [5 points each] A and B can consume private goods X and Y, and public good Z. Their utility functions satisfy all of the standard assumptions discussed in class. In each of the following cases, propose a Pareto improvement. (a) MRSA Say = 1, MRSmy = 2, and MRTry = 1 (all expressed as |dy/ dx]) (b) MRSA = 1, MRSmy = 1, and MRTry = 2 (all expressed as |dy/ dx ]) (c) MRSA = 1, MRSB = 1, and MRTrz = 1 (all expressed as |dz/dx))