The choice falls on the seller, who will decide based on the costs generated by each option: if one of them is disproportionate to the other, the seller may choose the one that is most convenient to his interests, provided that the consumer does not assume greater inconveniences.
Okukhethwa kuphumule kumthengisi, kuzothatha isinqumo ngokuya ngezindleko ezikhiqiza inketho ngayinye: uma enye ingafani nenye, umthengisi angakhetha okulula kakhulu kwizintshisekelo zabo, inqobo nje uma umthengi ezobuye abhekane nezinkinga ezinkulu.