The optimal tableau, found using the dual simplex method is as follows:
X1
X2 X3 S1
S2
S3
B
0
-2/5
2/5
-1/5
0 1
1 -3/5 0 0 -2/5 1/5
9/5
8/5
0
-1/5
1 0 1/5
-3/5
-42/5 0
A
00
1/5
7/5
Answer each part separately:
(a) Show that A = 4/5 and B = 6/5.