Refer to the table that follows.
a) Use the northwest-corner method to find an initial feasible solution. What must you do before beginning the solution steps?
b) Use the intuitive lowest-cost approach to find an initial feasible solution. Is this approach better than the northwest-corner method?
c) Find the optimal solution using the stepping-stone method.
From
|
To
|
Supply
|
A
|
B
|
C
|
X
|
$10
|
$18
|
$12
|
100
|
Y
|
$17
|
$13
|
$9
|
50
|
Z
|
$20
|
$18
|
$14
|
75
|
Demand
|
50
|
80
|
70
|
|