David Brice, CFA, has tried to use an AR(1) model topredict a given exchange rate. Brice has concluded the exchange rate follows arandom walk without a drift. The current value of the exchange rate is 2.2.Under these conditions, which of the following would be leastlikely?
  A)
  The forecast for next    period is 2.2.
  B)
  The process is not    covariance stationary.
  C)
  The residuals of the    forecasting model are autocorrelated.
  
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