a. Calculate the single exponential smoothing forecast for these data using an of 0.40 and an initial forecast (F1) of 32 . Note: Round your answers to 2 decimal places. b. Calculate the exponential smoothing with trend forecast for these data using an of 0.40 , a of 0.10 , an initial trend forecast ( T1) of 1.00 , and an initial exponentially smoothed forecast (F1) of 31.00 . Note: Round your answers to 2 decimal places. b. Calculate the exponential smoothing with trend forecast for these data using an of 0.40 , a O of 0.10 , an initial trend forecast ( T1) of 1.00 , and an initial exponentially smoothed forecast (F1) of 31.00 . Note: Round your answers to 2 decimal places. c-1. Calculate the mean absolute deviation (MAD) for the last nine months of forecasts. Note: Round your answers to 2 decimal places. c.2. Which is best? Single exponential smoothing forecast Exponential smoothing with trend forecast