Chapter 17.1, Problem 22PS

In voting among four candidates, the outcomes are reported as:

$\begin{array}{ccccc}\left(\text{ADBC}\right)& \left(\text{DACB}\right)& \left(\text{BADC}\right)& \left(\text{BDCA}\right)& \left(\text{DCAB}\right)\\ 8& 5& 3& 1& 2\end{array}$

Use this information to answer the questions in Problems $18\text{}\text{}\text{}\text{}\text{}\text{}-23$.

a. If a person ranks $\text{B}$ as his first choice, $\text{C}$ as his second choice, $\text{D}$ as his third choice, and $\text{A}$ last, how would this be written?

a. How many voters have this preference?