What is the primary difference between cross$-$selling and upselling?

Select one:

Cross$-$selling and upselling are essentially the same thing and can be used interchangeably.

Cross$-$selling encourages customers to buy additional items, while upselling persuades them to purchase a higher$-$level product or service.

Cross$-$selling targets customers who want to pay less, while upselling targets customers who want to pay more.

Cross$-$selling involves selling a better version of the original product, while upselling involves offering complementary items.