Suppose that a US firm considers expanding its existing business line by investing $100 million. At the same time, the company also wants to invest $300 million in one of the following two projects: GTT motors Inc. in Canada ABS food Inc. in Brazil Expected return 20% 20% Standard deviation 6% 18% Correlation with its existing business -0.4 -0.8 The company's existing business has a 12% expected return and a 10% standard deviation. What company does the US firm have to choose in terms of international diversification? Why? Show your work