8. (Multiple-choice, 4 points) The table shows which of the following evidence? Mean Annual Return R? Standard Deviation Bus U.S. Based International Mutual Funds 18.96% 5.78% 0.69 0.39 S&P 500 14.04% 4.25% 1.00 1.00 U.S. MNC Index 16.08% 4.38% 0.98 0.90 a. For the U.S. investors, investing in the U.S. MNC index provides the most effective international diversification. b. For the U.S. investors, investing in the U.S.-based international mutual funds provides the most effective international diversification. c. An index of the U.S.-based international mutual funds is a better representation of the U.S. stock market than the S&P 500 index and the U.S. MNC index. d. Both b. and c. are correct