P10. An election is held using Instant Runoff Voting in which the candidates are Wendy (W), Xavier (X), Yolanda (Y), and Zachary (Z), and the resulting preference table is as follows: # of votes 1\" choice 2nd choice 3rd choice 4th choice a. Which candidate is the winner of this election? b. For some reason a revote is held in which all 5 voters who, in the original election, had cast the preference ballots