Question: Given the ARIMA menus below which will result in 4 model coefficients excluding a constant term? (1,1,2)(2,1,0) (0,2,1)(1,2,0) (0,1,2)(1,2,1) (1,2,0)(1,2,0) (2,1,2)(2,3,1)

Given the ARIMA menus below which will result in 4 model coefficients excluding a constant term?
(1,1,2)(2,1,0)

(0,2,1)(1,2,0)

(0,1,2)(1,2,1)

(1,2,0)(1,2,0)

(2,1,2)(2,3,1)

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