Values of parameters
Optimal solution
Optimal cost
Amount of Changing cost
d = z * − z
α 1 = 15 , α 2 = 20 , α 3 = − 5 , β 1 = − 10 , β 2 = − 12 , β 3 = 35 , β 4 = 18
x 12 = 130 , x 14 = 20 , x 21 = 140 , x 24 = 120 , x 32 = 270 , x 33 = 250
z * = 35830
9920 unit
α 1 = − 25 , α 2 = − 15 , α 3 = − 18 , β 1 = 14 , β 2 = 40 , β 3 = 32 , β 4 = 35
z * = 39760
13850 unit
α 1 = 25 , α 2 = 15 , α 3 = 18 , β 1 = 14 , β 2 = 40 , β 3 = 32 , β 4 = 35
z * = 73780
47870 unit
α 1 = 25 , α 2 = 15 , α 3 = 18 , β 1 = − 5 , β 2 = − 10 , β 3 = − 8 , β 4 = − 13
z * = 34400
8490 unit