In Allocating Weights to the Decision Criteria, Which of the Following

In allocating weights to the decision criteria, which of the following is helpful to remember?

A) All weights must be the same.
B) The total of the weights should sum to 1.0.
C) Every factor criterion considered, regardless of its importance, must receive some weighting.
D) Assign the most important criterion a score, and then assign weights against that standard.
E) The most important and least important criteria should receive the inverse weighting standard.