The UScell-Phone Industry Uses a Combination of the Razor-Razor-Blade Model with with Which

Multiple Choice

The U.S.cell-phone industry uses a combination of the razor-razor-blade model with which other model when it offers a two-year contract in exchange for a heavily subsidized new phone?

A) A subscription-based model
B) An ink cartridge model
C) A bait-and-switch model
D) A network effects model