Using the pure expectations theory, forecast the annual interest rate on six-year Treasuries that are purchased nine years from today. Select the range in which the correct answers falls. (That is, what will be the annual yield on a Treasury with six years until maturity issued nine years from today?) Use arithmetic averages. Maturity 1 year 3 years 6 years 9 years 12 years 15 years Annual Yield 4.0% 4.5% 5.5% 6.0% 6.5% 7.5%