a) Use exponential smoothing with a smoothing constant of 0.3 to forecast the demand for fertilizer given. Assume that the forecast for year 1 is 5,000 bags to begin the procedure.  Would you prefer to use the exponential smoothing model, or the weighted average model developed?  Explain your answer. Data collected on the yearly demand for 50-pound bags of fertilizer at Wallace Garden Supply are shown in the following table:  YEAR DEMAND FOR FERTILIZER (1,000S OF BAGS) 1 4 2 6 3 4 4 5 5 10 6 8 7 7 8 9 9 12 10 14 11 15

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