Question 12 1 pts An analyst found that she can use AR(1) to predict Intel Corp's gross margin over time. She estimated that (Gross Margin) = 0.1795 +0.7449*(Gross Margin): 1. Which one of the following statement is correct? The mean reverting level for the above AR(1) is 0.7036. The mean reverting level for the above AR(1) is 0.2410 The autocorrelations of the error terms should be zero for first lag only. The time series does not need to be covariance stationary