The doctor contributes his formal knowledge, his experience, his clinical and laboratory examinations, and his instruments, Dr. John Manzella as a good consultant, has a series of models, tools, and diagnostic and measurement instruments, as well as the experience gained in his previous consultancies to various types of companies. Deciding on one consultancy or another is an important choice since making a mistake can be expensive. If a medical adviser mismanages, it can cause sanctions to the organization of the social security or tax agency. For the company, it is a high cost to have to pay tax penalties because it can even put its subsistence at risk. At that…