a survey asks people to rank the following cities: ann arbor (a), Detroit (d), grand rapids (g) and royal oak (r). these are the results 6 for r, a, d, g 5 for g, a, r, d 7 for r, d, a, g 4 for a, d, r, g 3 for d, g, r, a which city wins using the contigent method