Chapter 17.1, Problem 58PS

To determine

The winner in a runoff election using the principle of eliminating the candidate with the most last-place votes from the following output.

$\begin{array}{cccccc}\left(\text{ADEBC}\right)& \left(\text{BEDCA}\right)& \left(\text{CBEDA}\right)& \left(\text{DCEBA}\right)& \left(\text{EBDCA}\right)& \left(\text{ECDBA}\right)\\ \text{360}& \text{240}& \text{200}& \text{180}& \text{80}& \text{40}\end{array}$