Shopper dissatisfaction Refer to the survey results shown in the table. What percent of those surveyed were not pleased?
$$
\begin{array}{l|r}
\text { Shopper Survey Results } & \\
\hline \text { First-time shoppers } & 1,731 \\
\hline \text { Major purchase today } & 539 \\
\hline \text { Shopped within previous month } & 1,823 \\
\hline \text { Satisfied with service } & 4,140 \\
\hline \text { Seniors } & 2,387 \\
\hline \text { Total surveyed } & 9,200
\end{array}
$$