%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 6-1-18 on page 320.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{135.83385pt}
%
\AtBeginDocument{%
\renewcommand\pshlabel[1]{\small$#1$}
\renewcommand\psvlabel[1]{\small$#1$}}
\StartShownPreambleCommands
\usepackage{pstricks,pst-plot}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-0.5,-0.5)(3.25,2)
  \psaxes[ticks=none,labels=none]{->}(3.25,2)
  \uput[-90](1.5,0){Quarter}
  \uput[180]{90}(0,1){Sales}
  \pspolygon[fillcolor=lightgray,fillstyle=solid]
      (0,0)(0,0.2)(1,0.8)(2,1.5)(3,1)(3,0)
\end{pspicture}
\end{document}