2. A business forecaster uses simple exponential smoothing to predict future sales and choose a: = .1 as the smoothing constant. Using the last 30 observations, the forecaster predicts sales twostepsahead and nds that 230(2) = 102.5. After 231 has become available, z31 = 105, the forecaster wants to revise the forecast for 232. Calculate the revised forecast 231(1)