* THIS IS AN EXAMPLE OF LP FROM PAGE 3 OF SCHAUM'S;                             
* THIS EXAMPLE IS WRITTEN BY SAM GORJI AT THE COMPUTER CENTER.;                 
DATA PROBLEM;                                                                   
 INPUT X1 X2 _TYPE_ $ R;                                                        
 CARDS;                                                                         
80. 60. MIN  .                                                                  
.2 .32 LE .25                                                                   
1. 1.  EQ 1.                                                                    
0.0 0.0 LOWERBD  .                                                              
PROC LP DATA=PROBLEM;                                                           
 VAR X1-X2;                                                                     
RHS R;