Suppose that in 1980, the U.S. inflation rate was 13.5 percent and the unemployment rate reached 7.8 percent. Suppose that the target rate of inflation was 3 percent back then and the full-employment rate of unemployment was 5.5 percent at that time. What value does the Taylor Rule predict for the Fed's target interest rate? Instructions: Enter your answer rounded to 2 decimal places. ______ percent