Which statement regarding project selection and screening criteria is BEST?

Question $17$Select one:

a$.$

For many projects, more than $80\%$ of the decision criteria are vital.

b$.$

It is possible, given enough time and effort, to identify all relevant issues that play a role in project selection.

c$.$

The most complete model in the world is still only a partial reflection of organization reality.

d$.$

Decision models are either objective or subjective.