Your question is Managing a Difficult Supplier Relationship. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about a time you had to work with a difficult supplier. How did you manage the relationship while still making sure your business needs were met? Walk me through the situation, the tradeoffs you faced, and the outcome.