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Briey discuss some of the problems of environmental commandandcontrol regulations. Switzerland population is 8,455,804. Its GDP is 617 billion in local currency, the Swiss Franc which is worth $1.10 (or 1 U.S. dollar is 0.91 Swiss Franc). Calculate Switzerland GDP in U.S. Dollar. What's GDP per capita in U.S. Dollar? In your opinion and in comparison to other countries, what does this GDP per capita indicate? Show all work.During the time of a pandemic and the existence of a highly contagious coronavirus, many scientists recommended wearing a mask. Let's assume that wearing a mask can limit the spread of the virus. Is wearing a mask an externality? Positive or negative? How about not wearing a mask? Explain your answers