The exponential smoothing forecasting process has many attributes, including which of the following? Multiple select question. The model is easy to implement on a personal computer using spreadsheet software. Smoothing constants allow us to alter the rate at which the model responds to changes in the underlying pattern in the data. All past data are considered in the smoothing process. Only the most recent data are required to update a forecast. Only one smoothing constant is required. Recent data are assigned less weight than older data