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The real risk-free rate of interest is 2 percent. Inflation is expected to be 4 percent this coming year, jump to 6 percent next year, and increase to 7 percent the year after (Year 3). According to the expectations theory, what should be the interest rate on 2-year, risk-free securities today? O 6.70% 6.60% 6.80% 7.00% 6.90%