Which statement is true of non$-$store retailing?

A$)$ Non$-$store retailing describes small, mobile retail activities like door$-$to$-$door sales and food carts.

B$)$ Non$-$store retailing occurs outside and may be impacted by weather, or other environmental forces.

C$)$ Non$-$store retailing comprises activities of varying levels of customer and retailer involvement, outside the store environment.

D$)$ Non$-$store retailing refers specifically to buying goods and services via automated or electronic means.