No.

Source

Data

IBFS

Total Cost

Ex 1

[9]

[ c i j ] 3 × 4 = [ 3 6 8 5 ; 6 1 2 5 ; 7 8 3 9 ]

[ s i ] 3 × 1 = [ 20 , 28 , 17 ]

[ d j ] 1 × 4 = [ 15 , 19 , 13 , 18 ]

x 11 = 11 , x 14 = 9 ,

x 22 = 19 , x 24 = 9 ,

x 31 = 4 , x 33 = 13

209

Ex 2

[12]

[ c i j ] 4 × 4 = [ 5 3 6 10 ; 6 8 10 7 ; 3 1 6 7 ; 8 2 10 12 ]

[ s i ] 4 × 1 = [ 30 , 10 , 20 , 10 ]

[ d j ] 1 × 4 = [ 20 , 25 , 15 , 10 ]

x 12 = 15 , x 13 = 15 ,

x 21 = 0 , x 24 = 10 ,

x 31 = 20 , x 32 = 0

x 42 = 10

285

Ex 3

[13]

[ c i j ] 4 × 5 = [ 7 6 4 5 9 ; 8 5 6 7 8 ; 6 8 9 6 5 ; 5 7 7 8 6 ]

[ s i ] 4 × 1 = [ 40 , 30 , 20 , 10 ]

[ d j ] 1 × 5 = [ 30 , 30 , 15 , 20 , 5 ]

x 11 = 5 , x 13 = 15 ,

x 14 = 20 , x 22 = 30 ,

x 23 = 0 , x 31 = 15

x 35 = 5 , x 41 = 10

510

Ex 4

[7]

[ c i j ] 3 × 4 = [ 50 60 100 50 ; 80 40 70 50 ; 90 70 30 50 ]

[ s i ] 3 × 1 = [ 20 , 38 , 16 ]

[ d j ] 1 × 4 = [ 10 , 18 , 22 , 24 ]

x 11 = 10 , x 14 = 10 ,

x 22 = 18 , x 23 = 6 ,

x 24 = 14 , x 33 = 16

3320