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) All of the above or None of the above.