Which of the Following Accurately Describes Steps of the Northwest

Multiple Choice

Which of the following accurately describes steps of the northwest corner rule,after making the initial allocation of units in the northwest cell?

A) Move down first,and then move right.
B) Move right first,and then move down.
C) Move right or down first,depending on whether the demand requirement or the supply capacity,respectively,is exhausted first.
D) Move right or down first,depending on whether the supply capacity or the demand requirement,respectively,is exhausted first.
E) Move diagonally first.