Assume that the United States economy is in long-run equilibrium with an expected inflation rate of 6 percent and an unemployment rate of 5 percent. The nominal interest rate is 8 percent. A) Calculate the real interest rate in the long-run equilibrium. (B) Assume now that the Federal Reserve decides to target an inflation rate of 3 percent. What open-market operation should the Federal Reserve undertake? C) Explain the shift and impact of the Federal Reserve's action you identified on the money market.