Currently 10-year U.S. government Treasury Bills yield 1.82%, 10-year German government securities yield .38%, 10-year French government securities yield .57%, and 10-year Greek government securities yield 9.23%. Assume you are working for a pension fund and your employer directs you to invest $10 million into only one of these government securities that your organization plans to hold to maturity. Which one would you invest in and explain why?