QUARTER/YEAR	ACTUAL NUMBER OF USERS IN MILLIONS	FORECASTED DEMAND—2-QUARTER MOVING AVERAGE	ABSOLUTE FORECAST ERROR	FORECASTED DEMAND—3-QUARTER MOVING AVERAGE	ABSOLUTE FORECAST ERROR	EXPONENTIAL SMOOTHING WITH SMOOTHING CONSTANT OF 0.2	ABSOLUTE FORECAST ERROR	EXPONENTIAL SMOOTHING WITH SMOOTHING CONSTANT OF 0.9	ABSOLUTE FORECAST ERROR
Q1/2010	30
Q2/2010	40
Q3/2010	49
Q4/2010	54
Q1/2011	68
Q2/2011	85
Q3/2011	101
Q4/2011	117
Q1/2012		1A. Forecast demand using the two-quarter moving average and the three-quarter moving average. 1B. Forecast demand using exponential smoothing, one with the smoothing constant of 0.2 and the other with a smoothing constant of 0.9. Note: Set the forecast for Q1/2010 equal to the demand level for Q1/2010. 1C. Calculate the mean absolute deviation (MAD) of each forecasting method. Which forecasting method would you recommend Alvin Ortega use? Explain why.