solve this problem

Q3. Three voters, A, B, and C, hold a majority vote on the X and Y issues. The two issues are put to a vote separately. If each issue is adopted, the change in the net benefit of the voters is shown in the table. 1. Which case will be adopted by the majority rule, X or Y ? 2. Which issues can be adopted if voting transactions exist? Does voting trade boost efficiency? 3. Let's say one voter can make a monetary reward to another voter in exchange for choosing to approve or disapprove of a particular issue. At this time, can we get more efficient results than the results of b ? 4. What is the actual level of monetary compensation if monetary compensation for these votes occurs? This questions are from Rosen [Public finance 10e Chapter 6]