In: Operations Management
A company has two warehouses A and B, and three retail outlets 1, 2 and 3. The warehouse capacities, retail outlet demands, and per-unit shipping costs ($) are shown in the table below. Formulate a linear programming (LP) model of this transportation problem with the objective of minimizing total shipping cost.
| 
 Retail Outlets Warehouses  | 
 1  | 
 2  | 
 3  | 
 Total Supply  | 
| 
 A  | 
 $5  | 
 $8  | 
 $3  | 
 500  | 
| 
 B  | 
 $7  | 
 $4  | 
 $6  | 
 250  | 
| 
 Total Demand  | 
 300  | 
 400  | 
 250  | 
 
  | 
XA1 = # units shipped from warehouse A to retail outlet 1
XA2 = # units shipped from warehouse A to retail outlet 2
XA3 = # units shipped from warehouse A to retail outlet 3
XB1 = # units shipped from warehouse B to retail outlet 1
XB2 = # units shipped from warehouse B to retail outlet 2
XB3 = # units shipped from warehouse B to retail outlet 3


