Official answer available
Preview the opening of the answer, then unlock the full walkthrough.
In a real shortage, I want to understand the exact constraint first. Is the issue supply, transportation, planning, internal delay, or a system error that surfaced too late? If I do not know that, I can easily accelerate the wrong thing and create more noise instead of solving the problem.
Then I focus on the highest-impact path: what supply can...
easy
easy
easy
easy
easy
easy