The following table contains the demand from the last 10 months HONTH ACTUAL DEMAND 27 39 41 14 4 47 41 a. Calculate the singler exponential smoothing forecast for these data using an a of 0.30 and an initial forecast (ft of 27. (Round your intermediate calculations and answers to 2 decimal places.) Month Exponental Smoothing 1 2 3 4 5 6 7 8 10 b. Calculate the exponential smoothing with trend forecast for these data using an a of 0.30, a 6 of 0.40, an initial trend forecast (Ty of 1.00, and an initial exponentially smoothed forecast of 26. (Round your intermediate calculations and answers to 2 decimal places.) Month FIT 1 2 3 4 5 0 7 8 9 10 C-1. Calculate the mean absolute deviation (MAD) for the last nine months of forecasts. (Round your intermediate calculations and answers to 2 decimal places.) MAD Single exponential smoothing forecast Exponential smoothing with trans forecast c-2. Which is best? O Exponential smoothing with trend forecast O Single exponential smoothing forecast