Using simple moving averages and the following time series data, respond to each of the items. Cick here for the Excel Data File Required: b. Compute all possible forecasts using a three-period simple moving average model, Note: Round all your answers to 2 decimal places except "Absolute percent error" answrers which should be rounded to 1 decimal place. c. Compute the MAD and MAPC. Note: Round your answers to 2 decimal places. d. What is the forecast demand for period 1 ? e. What is the error associated with the eleventh-period forecast? Note: Round your answer to 2 decimal places