Better Products Company

   {  Exmpl8.3-2b_BetterProdCo.mpl  }

   {  Hillier and Lieberman, Introduction to Operations Research, 9th ed.  }

   {  Chapter 8.3,  Example 2b, Assignment, Size 10x25, Page 339  }


TITLE
   BetterProdCo_Option2;

INDEX
   plant := (p1a, p1b, p2a, p2b, p3);
   product := 1..5;

DATA
   M := 99999;
   Cost[plant, product] := (820, 810, 840, 960, 0,
                            820, 810, 840, 960, 0,
                            800, 870,   M, 920, 0,
                            800, 870,   M, 920, 0,
                            740, 900, 810, 840, M);

BINARY VARIABLE
   Assign[plant, product] -> x;

MODEL
   MIN TotalCost = SUM(plant, product: Cost * Assign);

SUBJECT TO
   Assignee[plant] : SUM(product: Assign) = 1;
   Task[product] : SUM(plant: Assign) = 1;

END