1. forecast demand using the two-quarter moving average and the three-quarter moving average. 2.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. 3.calculate the mean absolute deviation (mad) of each forecasting method. which forecasting method would you recommend alvin ortega use