Consider five people with the preference rankings over four projects a, b, c, and d as follows:
![584_59a332ba-3742-42d4-85ac-fe937ce425ea.png](https://secure.tutorsglobe.com/CMSImages/584_59a332ba-3742-42d4-85ac-fe937ce425ea.png)
a. Draw the preferences by ranking the projects by alphabetical order from left to right.
b. Who has single-peaked preferences and who has not?
c. Which project will be selected by majority voting? If none is selected, explain why.