Please explain the graph

Question 1: Politician A has decided to run for political office on a platform promising lower taxes and cuts in public services. His opponent B promises higher taxes and more funding for public services. All things equal, the voters prefer low taxes and generous public services. Now, politician B is in the lead. Politician A decides to channel some of his campaign funds to a third party candidate, C, who will act as a decoy. a) What sort of platform must the third party politician endorse to act as a decoy for A? Why? (1 point) b) Explain your answer using graphical analysis. Do not forget to explain your graph. (3 points)