For a certain product it was found that annual sales volume could be well described by a third-order autoregressive model. The estimated model is shown below. x=197 +1.80x₁-1-0.29xt-2 +0.03x₁-3 + Et For 1993, 1994, and 1995, sales were 880, 913, and 951, respectively. Calculate sales forecasts for the years 1996 through 1998. X1996 (Round to one decimal place as needed.) =

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