The following table contains the demand from the last 10 months: a. Calculate the single exponential smoothing forecast for these data using an a of 0.30 and an initial forecast (F) of 32 . (Round your answers to 2 decimal places.) b. Calculate the exponential smoothing with trend forecast for these data using an a of 0.30 , a of 0.20 , an initial trend forecast ( T ) of 1.00 , and an initial exponentially smoothed forecast (F) of 31 . (Round your answers to 2 decimal places.) c-1. Calculate the mean absolute deviation (MAD) for the last nine months of forecasts. (Round your answers to 2 decimal places.) c-2. Which is best? Exponential smoothing with trend forecast Single exponential smoothing forecast