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Prepare a time-series plot of the data, and visually inspect that plot to determine the...

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Accounting

imagePrepare a time-series plot of the data, and visually inspect that plot to determine the characteristics you see in this series.

Use an exponential smoothing model to develop a forecast of sales for the next 12 months, and explain why you selected that model. Plot the actual and forecast values. Determine the MAPE for your model during the historical period.

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