The accomparying dataset shows the monthly number of now car sales in the last thee years. Divelop a multiple regrossion model with categoical variables that incorparate seasondity for toreasting sides Qick the icon to view the new car saios data. Devolog a mutiple regresnion model with categoncal vanables that incoporate seasorality for forecasting sales, where December is the reference thonith. (Found to the natest inkeger an neseded) New Car Sales Data