Explain Starbucks operations management in reference to Hayes and Wheelwright '4 stage' model. Please explain in detail with reference to real life operational situations faced by Starbucks Also include operations and management tools in these 4 stages of the model, like Transformation Process, 4 V's of operations management, Risk management, corporate strategy, Quality management through six sigma.

Please explain this in a way that tells the story in the clearest way possible while adhering to academic convention