What is the primary difference between$$ time$-$series and associative forecasting$$ models?

Part $2$

A$.$

Associative models incorporate variables that might influence the quantity being forecasted

B$.$

$$Time$-$series models are only used for economic forecasts

C$.$

$$Time$-$series models are only used for$$ long$-$range forecasts

D$.$

Associative models do not predict demand