\begin{verbatim} 
  MAX     20 X1 + 14 X2
  SUBJECT TO
         2)   5 X1 + 7 X2 <=   700
         3)   5 X1 + 2 X2 <=   450
  END
 
 LP OPTIMUM FOUND AT STEP      2

        OBJECTIVE FUNCTION VALUE

        1)      2100.000    

  VARIABLE        VALUE          REDUCED COST
        X1        70.000000           .000000
        X2        50.000000           .000000


       ROW   SLACK OR SURPLUS     DUAL PRICES
        2)          .000000          1.200000
        3)          .000000          2.800000


 RANGES IN WHICH THE BASIS IS UNCHANGED:
 
                           OBJ COEFFICIENT RANGES
 VARIABLE         CURRENT        ALLOWABLE        ALLOWABLE
                   COEF          INCREASE         DECREASE
       X1       20.000000        15.000001        10.000000
       X2       14.000000        14.000000         6.000000
 
                           RIGHTHAND SIDE RANGES
      ROW         CURRENT        ALLOWABLE        ALLOWABLE
                    RHS          INCREASE         DECREASE
        2      700.000000       875.000000       250.000000
        3      450.000000       250.000000       250.000000
 
\end{verbatim}