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2.1)Develop an estimated multiple regression equation with the easonality without trend. 2.3) Which of the above models do you consider to be more appropriate? Explain why. And estimate demand over the next four quarters (from 2 quarter in 4 to 1 model that think is 2.2) Develop an estimated multiple regression equation with seasonality with trend.

2. 2. The table below shows data on quarterly demand for three years. (30 scores) Quarter Period Demand 1 9000 2 13.000 G DG 4 5 10.000 6 13.000 581000 10.000 13.000 3.2 1 0 21Develop an estimated multiple regressiou equation with the seasonality withouttrend. (10 cores) 23) Which of the above models do you cousider to be more appropriate? Explain why. And estimate demand aute 2. 2. The table below shows data on quarterly demand for three years. (30 scores) Quarter Period Demand 1 9000 2 13.000 G DG 4 5 10.000 6 13.000 581000 10.000 13.000 3.2 1 0 21Develop an estimated multiple regressiou equation with the seasonality withouttrend. (10 cores) 23) Which of the above models do you cousider to be more appropriate? Explain why. And estimate demand aute