Big Box,an Electronics Retailer,runs Advertisements Promoting a Dell Laptop but Encourages

Big Box,an electronics retailer,runs advertisements promoting a Dell laptop but encourages its salespeople to sell consumers a lesser known computer brand so that Big Box will earn higher margins.Which term best describes the actions of Big Box?

A) intra-brand pricing
B) overt discontinuation
C) bait-and-switch
D) covert conversion
E) free riding