7. A household's desire for a particular food item changes at random, with no discernible seasonality or trend. During the previous four months, create your own data. Make the following projections for month five: first, using 0.4 alpha exponential smoothing. the three-month moving average, second. Third, the weighted moving average with weights of 0.70, 0.20, and 0.10, the most recent data receiving the most weight.