One Difference Between the Stepping-Stone Method Compared to the Northwest-Corner

Multiple Choice

One difference between the stepping-stone method compared to the Northwest-corner and intuitive method is that

A) the stepping-stone method never finds a feasible solution.
B) the stepping-stone method ignores costs.
C) the stepping-stone method ALWAYS finds a lower-cost solution.
D) the stepping-stone method guarantees an optimal solution.
E) the Northwest-corner and intuitive method guarantees sub-optimal solutions.