Latex: table with booktabs

gistfile1.txt

% \usepackage{booktabs}
% \begin{table}
% \centering  % alternatively to \begin{center}
% \caption{Caption this!} \label{tab:}
\begin{center}
\begin{tabular}{llr}
  \toprule
  \multicolumn{2}{c}{Item} \\
  \cmidrule(r){1-2}
  Animal    & Description & Price (\$) \\
  \midrule
  Gnat      & per gram    & 13.65      \\
            & each        & 0.01       \\
  Gnu       & stuffed     & 92.50      \\
  Armadillo & frozen      & 8.99       \\
  \bottomrule
\end{tabular}
\end{center}
% \end{table}