Mikaela sells homemade pies to many local cafes in Wollongong. She keeps a record of the sales of homemade pies to help her with demand forecasting. The price of a single pie is $4.80. Mikaela has been using a 3-week moving average forecasting model to forecast the demand for a week. The Actual demand column displays the actual number of pies sold in the week, whereas the Forecast column shows the forecasts Mikaela has obtained by using the 3-week moving average forecasting model.

Week	Actual demand	Forecast (3-week moving average)
1	438
2	420
3	414
4	318	424
5	306	384
6	240	346
7	240	288
8	216	262
9	198	232
10	225	218
11	270	213
12	315	231

1.Mikaela wants tomakethe forecasts more accurate. For that, she wants to use eitheran exponential smoothing forecasting model with = 0.20 or a 4-week moving average with weights 0.20, 0.50, 0.05, and 0.25. Which of the three forecasting models should she adopt? Why?