! Keywords: Break Even Point / Inventory / Marketing / Product Management / Product Mix / Production / Sales;
Maximize  15.89 B34 + 17.89 B38 + 16.50 B48 + 15.22 B58
           + 17.5 B42 + 16.22 B52
subject to   
   0.1111111 B34 + 0.1111111 B38 <= 35    !   Machine
   0.1666667 B48 + 0.1666667 B42 <= 35    !    capacities
   0.2222222 B58 + 0.2222222 B52 <= 35    !      in hours
! Shipping capacity in(1000');
   B34 + B38 + B48 + B58 + B42 + B52 <=  600  
                                 B34 >= 218 ! Production
                     B38 + B48 + B58 >= 114 ! requirements
                           B42 + B52 >= 111 ! in 1,000's of feet
  END