W‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍hy would a company outsource parts of its supply chain? Explain the value of this practice and why‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍ so many companies use it today. What are some operational challenges that outsourcing can present‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍?