Project complexity

For an organization that makes packing materials, answer the following questions.

How and why does that organization evaluate project complexity? What factors are typically considered? In case your organization does not evaluate project complexity, or you do not know, then assume that you are responsible for such evaluation and answer the same questions (How and why does that organization evaluate project complexity? What factors are typically considered? ). Also indicate whom else you would expect to be affected by your decision how to evaluate project complexity and why.