Problem 3-22 (Algo) Your manager is trying to determine what forecasting method to use. Based upon the following historical data, calculate the following forecast and specify what procedure you would utilize. MONTH 1 2 3 4 5 6 7 ACTUAL DEMAND 52 55 57 67 73 75 76 77 77 79 80 82 9 10 11 12 d. Calculate the exponential smoothing with trend component forecast for periods 212 using an initial trend forecast (T) of 1.80, an initial exponential smoothing forecast (F) of 61, an a of 0.20, and a 7 of 0.30. (Do not round intermediate calculations. Round your answers to 3 decimal places.) Month Three-Month Weighted Moving Average 62.000 2 3 4 5 6 7 8 9 10 11 12 84.500 e-1. Calculate the mean absolute deviation (MAD) for the forecasts made by each technique in periods 412. (Do not round intermediate calculations. Round your answers to 3 decimal places.) Mean Absolute Deviation Three-month moving average Three-month weighted moving average Single exponential smoothing forecast Exponential smoothing with trend