!Keyword: market, price/production planning;
MIN     XA + XB + PA + PB + DA + DB + CA + CB + CAB
SUBJECT TO
   2)  -PA + DA + CA +  CAB >= -0.2
   3)  -PB + DB + CB + 2CAB >= -0.3
   4)  -XA + 21 DA - 0.1 DB >= 0
   5)  -XB + 25 DB - 0.1 DA >= 0
   6)   XA + 21 PA - 0.1 PB = 60
   7)   XB - 0.1 PA + 25 PB = 50
   8)   XA <= 25
   9)   XB <= 30
  10)   XA + 2 XB <= 50
END
QCP 6

