Three candidates, Able, Boastful, and Charming are running for the office of mayor of Ti...

Three candidates, Able, Boastful, and Charming are running for the office of mayor of Tinytown. Voters mark their ballots to indicate their first, second, and third choices (only ballots with all three choices marked are valid). The results are summarized as follows:

a. Who wins using the Borda count method?

b. Who wins using the plurality method?