Pfizer is one of the world's largest pharmaceutical companies. When developing a new drug this company needs to consider vertical integration. Using the theory of the optimal boundary of the firm, discuss Pfizer's make-or-buy decision for developing and producing a new antibiotic drug. What stages of the vertical chain should Pfizer consider conducting inhouse, and which should be outsourced? Provide a long reasons for your findings and explain why you applied.

no need to explain the theory , thank you