The IBM board of directors is selecting a contractor to build a corporate headquarters expansion. They are considering proposals from four contractors: Bishara (B), Davis (D), Chang (C), and Stewart (S). The 15 members rank the four choices according to the preference table below.

a) Determine which contractor is selected using the plurality method.

b) Determine which contractor is selected using the Borda count method.

c) Determine which contractor is selected using the plurality with elimination method.

d) Determine which contractor is selected using the pairwise comparison method.

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Number of Votes 6. 4 3 First B B C D Second C D B B Third C S C Fourth D S D S